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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be

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  1. numom2b
  2. variables
  3. Sleep Monitoring
  4. Polysomnography
  5. Apnea-Hypopnea Indices
Name Label Folder
ahi_ap0nhp3x3n_f1t3
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
ahi_ap0nhp3x4n_f1t3
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi_ap0nhp3x5x4nhp5x3n_f1t3
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used, hypopneas with 30%-50% flow reduction and with >= 4% oxygen desaturation, and hypopneas with > 50% flow reduction with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used, hypopneas with 30%-50% flow reduction and with >= 4% oxygen desaturation, and hypopneas with > 50% flow reduction with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oahi_oa0nhp3x3n_f1t3
Obstructive Apnea-Hypopnea Index: (All obstructive apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea-Hypopnea Index: (All obstructive apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oahi_oa0nhp3x4n_f1t3
Obstructive Apnea-Hypopnea Index: (All obstructive apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea-Hypopnea Index: (All obstructive apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi_ap0nhp3x0n_f1t3
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with no oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with no oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
ahi_ap2nhp3x2n_f1t3
Apnea-Hypopnea Index: (All apneas with >= 2% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with >= 2% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
ahi_ap3nhp3x3n_f1t3
Apnea-Hypopnea Index: (All apneas with >= 3% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with >= 3% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
ahi_ap4nhp3x4n_f1t3
Apnea-Hypopnea Index: (All apneas with >= 4% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with >= 4% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi_ap5nhp3x5n_f1t3
Apnea-Hypopnea Index: (All apneas with >= 5% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Apnea-Hypopnea Index: (All apneas with >= 5% oxygen desaturation + hypopneas with > 30% flow reduction and with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_ca0n_f1t3
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_ca4n_f1t3
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_pb_ca0n_f1t3
Central Apnea Index (Supine): (Central apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Supine): (Central apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_pb_ca2n_f1t3
Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_pb_ca3n_f1t3
Central Apnea Index (Supine): (Central apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Supine): (Central apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_pb_ca4n_f1t3
Central Apnea Index (Supine): (Central apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Supine): (Central apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_pb_ca5n_f1t3
Central Apnea Index (Supine): (Central apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Supine): (Central apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_po_ca0n_f1t3
Central Apnea Index (Non-Supine): (Central apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Non-Supine): (Central apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_po_ca2n_f1t3
Central Apnea Index (Non-Supine): (Central apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Non-Supine): (Central apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_po_ca3n_f1t3
Central Apnea Index (Non-Supine): (Central apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Non-Supine): (Central apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_po_ca4n_f1t3
Central Apnea Index (Non-Supine): (Central apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Non-Supine): (Central apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
cai_po_ca5n_f1t3
Central Apnea Index (Non-Supine): (Central apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Central Apnea Index (Non-Supine): (Central apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_hp3x5x0n_f1t3
Hypopnea Index: (Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index: (Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_hp5x0n_f1t3
Hypopnea Index: (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index: (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. Hypopneas are defined based on American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601) Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x0n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp3x2n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp3x3n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp3x4n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x5n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp5x0n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or witout arousal) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or witout arousal) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. Hypopneas are defined based on American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601)

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp5x2n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp5x3n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp5x4n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_pb_hp5x5n_f1t3
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp3x0n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp3x2n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp3x3n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp3x4n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
hi_po_hp3x5n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp5x0n_f1t3
Hypopnea Index (Non-Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or witout arousal / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or witout arousal / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events. Hypopneas are defined based on American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601)

Search for all AHI variables consistent with the same clinical guidelines within this dataset

 		Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
hi_po_hp5x2n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp5x3n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp5x4n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
hi_po_hp5x5n_f1t3
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_oa0n_f1t3
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_oa4n_f1t3
Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_pb_oa0n_f1t3
Obstructive Apnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_pb_oa2n_f1t3
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_pb_oa3n_f1t3
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_pb_oa4n_f1t3
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_pb_oa5n_f1t3
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_po_oa0n_f1t3
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_po_oa2n_f1t3
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_po_oa3n_f1t3
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_po_oa4n_f1t3
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
oai_po_oa5n_f1t3
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

Calculated - Summary metric of sleep disordered breathing events.

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/Apnea-Hypopnea Indices
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