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Hispanic Community Health Study / Study of Latinos

Name Label Folder
slpa36
Respiratory Event Index: (Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hours of artifact-free estimated sleep from type IV home sleep apnea test
Respiratory Event Index: (Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hours of artifact-free estimated sleep from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa30 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa37
Respiratory Event Index (Non-Supine): (Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Respiratory Event Index (Non-Supine): (Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa32 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa38
Respiratory Event Index (Supine): (Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test
Respiratory Event Index (Supine): (Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa34 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa45
Respiratory Event Index: (Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation) / hours of artifact-free estimated sleep from type IV home sleep apnea test
Respiratory Event Index: (Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation) / hours of artifact-free estimated sleep from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa30 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa46
Respiratory Event Index (Non-Supine): (Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Respiratory Event Index (Non-Supine): (Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa32 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa47
Respiratory Event Index (Supine): (Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test
Respiratory Event Index (Supine): (Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa34 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa54
Respiratory Event Index: (Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hours of artifact-free estimated sleep from type IV home sleep apnea test
Respiratory Event Index: (Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hours of artifact-free estimated sleep from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa30 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa55
Respiratory Event Index (Non-Supine): (Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Respiratory Event Index (Non-Supine): (Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa32 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa56
Respiratory Event Index (Supine): (Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test
Respiratory Event Index (Supine): (Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa34 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa63
Respiratory Event Index: (Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hours of artifact-free estimated sleep from type IV home sleep apnea test
Respiratory Event Index: (Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hours of artifact-free estimated sleep from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa30 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa64
Respiratory Event Index (Non-Supine): (Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Respiratory Event Index (Non-Supine): (Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hours of artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa32 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa65
Respiratory Event Index (Supine): (Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test
Respiratory Event Index (Supine): (Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hours of artifact-free estimated sleep in supine position from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates. Please refer to slpa34 for the valid estimated sleep duration used to calculate this index.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
slpa111
Minimum heart rate during estimated sleep duration from type IV home sleep apnea test
Minimum heart rate during estimated sleep duration from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Heart Rate
slpa112
Maximum heart rate during estimated sleep duration from type IV home sleep apnea test
Maximum heart rate during estimated sleep duration from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Heart Rate
slpa113
Average heart rate over estimated sleep duration from type IV home sleep apnea test
Average heart rate over estimated sleep duration from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Heart Rate
slpa114
Standard deviation of heart rate over estimated sleep duration from type IV home sleep apnea test
Standard deviation of heart rate over estimated sleep duration from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Heart Rate
slpa90
Baseline oxygen saturation from type IV home sleep apnea test
Baseline oxygen saturation from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Oxygen Saturation
slpa91
Minimum oxygen saturation from type IV home sleep apnea test
Minimum oxygen saturation from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Oxygen Saturation
slpa92
Average oxygen saturation over estimated sleep duration from type IV home sleep apnea test
Average oxygen saturation over estimated sleep duration from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Oxygen Saturation
slpa93
Standard deviation of oxygen saturation from type IV home sleep apnea test
Standard deviation of oxygen saturation from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Oxygen Saturation
slpa94
Average oxygen saturation in non-supine position from type IV home sleep apnea test
Average oxygen saturation in non-supine position from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Oxygen Saturation
slpa95
Average oxygen saturation in supine position from type IV home sleep apnea test
Average oxygen saturation in supine position from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Oxygen Saturation
slpa39
Total Number of Apnea and Hypopnea: Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep from type IV home sleep apnea test
Total Number of Apnea and Hypopnea: Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa40
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa41
Total Number of Apneas and Hypopneas (Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa48
Total Number of Apneas and Hypopneas: Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
Total Number of Apneas and Hypopneas: Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa49
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa50
Total Number of Apneas and Hypopneas (Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa57
Total Number of Apneas and Hypopneas: Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
Total Number of Apneas and Hypopneas: Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa58
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa59
Total Number of Apneas and Hypopneas (Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa66
Total Number of Apneas and Hypopneas: Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
Total Number of Apneas and Hypopneas: Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa67
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Non-Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa68
Total Number of Apneas and Hypopneas (Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Number of Apneas and Hypopneas (Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.

Sleep Monitoring/Polysomnography/Respiratory Event Counts
slpa10
Hours of valid recording time in supine position - Cannula
Hours of valid recording time in supine position - Cannula Sleep Monitoring/Polysomnography/Signal Quality
slpa102
Total time of artifact SpO2 (hours)
Total time of artifact SpO2 (hours) Sleep Monitoring/Polysomnography/Signal Quality
slpa103
Total time of poor SpO2 (hours)
Total time of poor SpO2 (hours) Sleep Monitoring/Polysomnography/Signal Quality
slpa104
Percent of time with artifact SpO2
Percent of time with artifact SpO2 Sleep Monitoring/Polysomnography/Signal Quality
slpa11
Hours of valid recording time in non-supine position - Cannula
Hours of valid recording time in non-supine position - Cannula Sleep Monitoring/Polysomnography/Signal Quality
slpa12
Hours of valid recording time - SpO2
Hours of valid recording time - SpO2 Sleep Monitoring/Polysomnography/Signal Quality
slpa121
Reasons for Short Studies: SLP_OVERALL_FAIL_CODE
Reasons for Short Studies: SLP_OVERALL_FAIL_CODE Sleep Monitoring/Polysomnography/Signal Quality
slpa13
Total valid SpO2 recording period in supine position from type IV home sleep apnea test
Total valid SpO2 recording period in supine position from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Signal Quality
slpa14
Total valid SpO2 recording period in non-supine position from type IV home sleep apnea test
Total valid SpO2 recording period in non-supine position from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Signal Quality
slpa15
Overall Study Quality
Overall Study Quality Sleep Monitoring/Polysomnography/Signal Quality
slpa16
Urgent Referral - AHI > 50
Urgent Referral - AHI > 50 Sleep Monitoring/Polysomnography/Signal Quality
slpa18
Urgent Referral - Baseline sat < 90
Urgent Referral - Baseline sat < 90 Sleep Monitoring/Polysomnography/Signal Quality
slpa20
Urgent Referral - sat < 90 for 10% of recording
Urgent Referral - sat < 90 for 10% of recording Sleep Monitoring/Polysomnography/Signal Quality
slpa22
Urgent Referral - HR > 150
Urgent Referral - HR > 150 Sleep Monitoring/Polysomnography/Signal Quality
slpa24
Urgent Referral - HR < 30
Urgent Referral - HR < 30 Sleep Monitoring/Polysomnography/Signal Quality
slpa9
Hours of valid recording time - Cannula
Hours of valid recording time - Cannula Sleep Monitoring/Polysomnography/Signal Quality
slpa100
Percentage of total estimated sleep duration with < 75% oxygen saturation from type IV home sleep apnea test
Percentage of total estimated sleep duration with < 75% oxygen saturation from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa101
Percentage of total estimated sleep duration with < 70% oxygen saturation from type IV home sleep apnea test
Percentage of total estimated sleep duration with < 70% oxygen saturation from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa28
Total recording period from type IV home sleep apnea test
Total recording period from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Sleep Architecture
slpa30
Total artifact free periods within the in-bed period from type IV home sleep apnea test
Total artifact free periods within the in-bed period from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Sleep Architecture
slpa32
Total artifact free periods in non-supine position within the in-bed period from type IV home sleep apnea test
Total artifact free periods in non-supine position within the in-bed period from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Sleep Architecture
slpa33
Percentage of total estimated sleep duration in non-supine position from type IV home sleep apnea test
Percentage of total estimated sleep duration in non-supine position from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Sleep Architecture
slpa34
Total artifact free periods in supine position within the in-bed period from type IV home sleep apnea test
Total artifact free periods in supine position within the in-bed period from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Sleep Architecture
slpa35
Percentage of total estimated sleep duration in supine position from type IV home sleep apnea test
Percentage of total estimated sleep duration in supine position from type IV home sleep apnea test Sleep Monitoring/Polysomnography/Sleep Architecture
slpa42
Total Duration of Apnea and Hypopnea: Apneas with no oxygen desaturation threshold used+ hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea: Apneas with no oxygen desaturation threshold used+ hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa43
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa44
Total Duration of Apnea and Hypopnea (Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa51
Total Duration of Apnea and Hypopnea: Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea: Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa52
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa53
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa60
Total Duration of Apnea and Hypopnea: Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea: Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa61
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa62
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa69
Total Duration of Apnea and Hypopnea: Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea: Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa70
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa71
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test

Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa96
Percentage of total estimated sleep duration with < 95% oxygen saturation from type IV home sleep apnea test
Percentage of total estimated sleep duration with < 95% oxygen saturation from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa97
Percentage of total estimated sleep duration with < 90% oxygen saturation from type IV home sleep apnea test
Percentage of total estimated sleep duration with < 90% oxygen saturation from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441).

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa98
Percentage of total estimated sleep duration with < 85% oxygen saturation from type IV home sleep apnea test
Percentage of total estimated sleep duration with < 85% oxygen saturation from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441).

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa99
Percentage of total estimated sleep duration with < 80% oxygen saturation from type IV home sleep apnea test
Percentage of total estimated sleep duration with < 80% oxygen saturation from type IV home sleep apnea test

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Sleep Monitoring/Polysomnography/Sleep Architecture
slpa115
Mean Snore level (dB)
Mean Snore level (dB) Sleep Monitoring/Polysomnography/Sound Events
slpa116
Total time spent in loud snoring
Total time spent in loud snoring Sleep Monitoring/Polysomnography/Sound Events
slpa117
Percent of time with Snoring level > 30 dB
Percent of time with Snoring level > 30 dB Sleep Monitoring/Polysomnography/Sound Events
slpa118
Percent of time with Snoring level > 40 dB
Percent of time with Snoring level > 40 dB Sleep Monitoring/Polysomnography/Sound Events
slpa119
Percent of time with Snoring level > 50 dB
Percent of time with Snoring level > 50 dB Sleep Monitoring/Polysomnography/Sound Events
slpa120
Percent of time with Snoring level > 60 dB
Percent of time with Snoring level > 60 dB Sleep Monitoring/Polysomnography/Sound Events