| Name | Label | Folder | |
|---|---|---|---|
|
clusterid
Recoded Site Identifier
|
Recoded Site Identifier
The original site identifier was removed from the dataset because it was identifiable. |
Administrative | |
|
nsrrid
NSRR Subject Identifier
|
NSRR Subject Identifier
This identifer links the subject's data and files. |
Administrative | |
|
treatmentarm
Treatment arm
|
Treatment arm
Subjects were randomized to a treatment arm (i.e. diagnostic study type) at the end of the Baseline Visit. |
Administrative | |
|
bmi
Body mass index (BMI)
|
Body mass index (BMI) | Anthropometry | |
|
diastolic
Diastolic blood pressure
|
Diastolic blood pressure
Average of the 2nd and 3rd resting diastolic blood pressure readings. |
Clinical Data/Vital Signs/Seated Blood Pressure | |
|
systolic
Systolic blood pressure
|
Systolic blood pressure
Average of the 2nd and 3rd resting systolic blood pressure readings. |
Clinical Data/Vital Signs/Seated Blood Pressure | |
|
age
Age at baseline visit
|
Age at baseline visit
The age of the subject at the time of the baseline visit and randomization. |
Demographics | |
|
ethnicity
Ethnicity
|
Ethnicity | Demographics | |
|
gender
Gender
|
Gender | Demographics | |
|
race7
Race
|
Race | Demographics | |
|
sf36_mcs
Short Form (36) Health Survey (SF-36): Mental component summary (standardized)
|
Short Form (36) Health Survey (SF-36): Mental component summary (standardized)
Summary component score of mental health. Taft C et al. 2001 (PubMED ID: 11763202) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
sf36_pcs
Short Form (36) Health Survey (SF-36): Physical component summary (standardized)
|
Short Form (36) Health Survey (SF-36): Physical component summary (standardized)
Summary component score of physical health. Taft C et al. 2001 (PubMED ID: 11763202) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
nsrr_bmi
Body mass index (BMI)
|
Body mass index (BMI)
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: bmi at Baseline |
Harmonized/Anthropometry | |
|
nsrr_bp_diastolic
Diastolic blood pressure
|
Diastolic blood pressure
Average resting diastolic blood pressure of two measurements (2nd and 3rd readings) collected from the upper arm in a single clinic visit. |
Harmonized/Clinical Data | |
|
nsrr_bp_systolic
Systolic blood pressure
|
Systolic blood pressure
Average resting systolic blood pressure of two measurements (2nd and 3rd readings) collected from the upper arm in a single clinic visit. |
Harmonized/Clinical Data | |
|
nsrr_age
Subject age
|
Subject age
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: age at Baseline |
Harmonized/Demographics | |
|
nsrr_age_gt89
Indicates whether the subject's age (in years) used during date obfuscation is greater than 89 years
|
Indicates whether the subject's age (in years) used during date obfuscation is greater than 89 years
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: age at Baseline |
Harmonized/Demographics | |
|
nsrr_ethnicity
Subject ethnicity
|
Subject ethnicity
Original missing value is recoded as "not reported". |
Harmonized/Demographics | |
|
nsrr_race
Subject race
|
Subject race
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: race7 |
Harmonized/Demographics | |
|
nsrr_sex
Subject sex
|
Subject sex
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: gender |
Harmonized/Demographics | |
|
nsrr_ttldursp_f1
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
|
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater). |
Harmonized/Polysomnography/Sleep Architecture | |
|
aphypi
Apnea-Hypopnea Index (AHI): (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 test
|
Apnea-Hypopnea Index (AHI): (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 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/Home Sleep Test | |
|
avgbpn
Average heart rate during estimated sleep from type III home sleep test
|
Average heart rate during estimated sleep from type III home sleep 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/Home Sleep Test | |
|
avgsat
Average oxygen saturation during estimated sleep from type III home sleep test
|
Average oxygen saturation during estimated sleep from type III home sleep 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/Home Sleep Test | |
|
index_time
Total recording period from type III home sleep test
|
Total recording period from type III home sleep test
Conventionally this variable would be called total recording time. |
Sleep Monitoring/Home Sleep Test | |
|
ahi
Apnea-Hypopnea Index (AHI): (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation ) / hour of sleep from type I polysomnography or type III home sleep test
|
Apnea-Hypopnea Index (AHI): (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation ) / hour of sleep from type I polysomnography or type III home sleep test
Composite AHI based on the diagnostic sleep study and home sleep study. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
|
ahi_d
Apnea-Hypopnea Index (AHI) (split-night, diagnostic): (All apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal ) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index (AHI) (split-night, diagnostic): (All apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal ) / hour of sleep from type I polysomnography
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.]. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
|
ahi_full
Apnea-Hypopnea Index (AHI) (full-night): (All apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal ) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index (AHI) (full-night): (All apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal ) / hour of sleep from type I polysomnography
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.]. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
|
ahi_t
Apnea-Hypopnea Index (AHI) (split-night, treatment): (All apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal ) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index (AHI) (split-night, treatment): (All apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal ) / hour of sleep from type I polysomnography
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.]. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
|
avghr
Average heart rate during sleep from type I polysomnography (full-night)
|
Average heart rate during sleep from type I polysomnography (full-night) | Sleep Monitoring/Polysomnography/Heart Rate | |
|
avghr_d
Average heart rate during sleep from type I polysomnography (split-night, diagnostic)
|
Average heart rate during sleep from type I polysomnography (split-night, diagnostic) | Sleep Monitoring/Polysomnography/Heart Rate | |
|
avghr_t
Average heart rate during sleep from type I polysomnography (split-night, treatment)
|
Average heart rate during sleep from type I polysomnography (split-night, treatment) | Sleep Monitoring/Polysomnography/Heart Rate | |
|
avgsao2
Average oxygen saturation during sleep from type I polysomnography (full-night)
|
Average oxygen saturation during sleep from type I polysomnography (full-night) | Sleep Monitoring/Polysomnography/Oxygen Saturation | |
|
avgsao2_d
Average oxygen saturation during sleep from type I polysomnography (split-night, diagnostic)
|
Average oxygen saturation during sleep from type I polysomnography (split-night, diagnostic) | Sleep Monitoring/Polysomnography/Oxygen Saturation | |
|
avgsao2_t
Average oxygen saturation during sleep from type I polysomnography (split-night, treatment)
|
Average oxygen saturation during sleep from type I polysomnography (split-night, treatment) | Sleep Monitoring/Polysomnography/Oxygen Saturation | |
|
slpprd_d
Total sleep duration from type I polysomnography (split-night, diagnostic)
|
Total sleep duration from type I polysomnography (split-night, diagnostic)
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
slpprdp
Total sleep duration from type I polysomnography (full-night)
|
Total sleep duration from type I polysomnography (full-night)
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
slpprd_t
Total sleep duration from type I polysomnography (split-night, treatment)
|
Total sleep duration from type I polysomnography (split-night, treatment)
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
tst_modified
Total sleep duration from type I polysomnography and type III home sleep test
|
Total sleep duration from type I polysomnography and type III home sleep test
Composite total sleep duration based on the diagnostic sleep study and home sleep study. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
cal_total
Calgary Sleep Apnea Quality of Life Index (SAQLI): Total Score
|
Calgary Sleep Apnea Quality of Life Index (SAQLI): Total Score | Sleep Questionnaires/Calgary Sleep Apnea Quality of Life Index (Calgary SAQLI) | |
|
esstotal
Epworth Sleepiness Scale (ESS): Total Score
|
Epworth Sleepiness Scale (ESS): Total Score
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. |
Sleep Questionnaires/Hypersomnia | |
|
fosq_global
Functional Outcomes of Sleep Questionnaire (FOSQ): Global Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): Global Score
Summary score based on the sum of the subscale scores of the Functional Outcomes of Sleep Questionnaire, with potential range of 5 to 20 - mean of the subscales multiplied by five (5). A lower score suggests greater function impairment. Weaver et. al, 1997 (Pubmed ID: 9415942) |
Sleep Questionnaires/Sleep Disturbance/Functional Outcomes of Sleep Questionnaire (FOSQ) | |
|
avgpapuse
Average Continuous Positive Airway Pressure (CPAP) use per night
|
Average Continuous Positive Airway Pressure (CPAP) use per night
Computed as the total time of Continuous Positive Airway Pressure (CPAP) use divided by the total number of days in the interval. Follow-up periods of 30 days were used at Month 1 and Month 3. |
Sleep Treatment/Adherence/CPAP Adherence | |
|
pressure
Optimal titration pressure
|
Optimal titration pressure | Administrative | |
|
ttt
Time to treatment
|
Time to treatment
The difference between the date device delivered and date of enrollment. |
Administrative | |
|
visit
Visit number
|
Visit number | Administrative | |
|
completedm1
Completed Month 1 Follow-up Visit
|
Completed Month 1 Follow-up Visit | Administrative/CONSORT Diagram | |
|
completedm1m3
Completed Month 1 and Month 3 Follow-up Visits
|
Completed Month 1 and Month 3 Follow-up Visits | Administrative/CONSORT Diagram | |
|
completedm3
Completed Month 3 Follow-up Visit
|
Completed Month 3 Follow-up Visit | Administrative/CONSORT Diagram | |
|
crossover
Crossed-over to Lab Arm from Home Arm
|
Crossed-over to Lab Arm from Home Arm | Administrative/CONSORT Diagram | |
|
diagnostic
Received diagnostic sleep study
|
Received diagnostic sleep study | Administrative/CONSORT Diagram | |
|
eligible
Eligible for treatment (Apnea-Hypopnea Index (AHI) >= 15 and not withdrawn)
|
Eligible for treatment (Apnea-Hypopnea Index (AHI) >= 15 and not withdrawn) | Administrative/CONSORT Diagram | |
|
titrated
Titrated for optimal pressure
|
Titrated for optimal pressure | Administrative/CONSORT Diagram | |
|
heightcm
Height
|
Height | Anthropometry | |
|
neckcm
Neck circumference
|
Neck circumference | Anthropometry | |
|
waistcm
Waist circumference
|
Waist circumference | Anthropometry | |
|
weightkg
Weight
|
Weight | Anthropometry | |
|
agg_ment
Short Form (36) Health Survey (SF-36): Aggregate Mental Score
|
Short Form (36) Health Survey (SF-36): Aggregate Mental Score
Summary component score of mental health. Taft C et al. 2001 (PubMED ID: 11763202) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
agg_phys
Short Form (36) Health Survey (SF-36): Aggregate Physical Score
|
Short Form (36) Health Survey (SF-36): Aggregate Physical Score
Summary component score of physical health. Taft C et al. 2001 (PubMED ID: 11763202) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
bp_norm
Short Form (36) Health Survey (SF-36): Body pain subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): Body pain subscale score (standardized)
The subscale score is based on 2 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant has "no pain or limitations due to pain in the past 4 weeks". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
gh_norm
Short Form (36) Health Survey (SF-36): General health perceptions subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): General health perceptions subscale score (standardized)
The subscale score is based on 5 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant "believes personal health is excellent". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
mh_norm
Short Form (36) Health Survey (SF-36): General mental health subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): General mental health subscale score (standardized)
The subscale score is based on 5 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant "feels peaceful, happy, and calm all of the time in the past 4 weeks ". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
pf_norm
Short Form (36) Health Survey (SF-36): Physical functioning subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): Physical functioning subscale score (standardized)
The subscale score is based on 10 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant "performs all types of physical activities including the most vigorous without limitations due to health". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
re_norm
Short Form (36) Health Survey (SF-36): Role limitations due to emotional problem subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): Role limitations due to emotional problem subscale score (standardized)
The subscale score is based on 3 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant has "no problems with work or other daily activities as a result of emotional problems in the past 4 weeks ". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
rp_norm
Short Form (36) Health Survey (SF-36): Role limitations due to physical problem subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): Role limitations due to physical problem subscale score (standardized)
The subscale score is based on 4 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant has "no problems with work or other daily activities as a result of physical health in the past 4 weeks". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
sf_norm
Short Form (36) Health Survey (SF-36): Social functioning subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): Social functioning subscale score (standardized)
The subscale score is based on 2 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant "performs normal social activities without interference due to physical or emotional problems in the past 4 weeks". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
vt_norm
Short Form (36) Health Survey (SF-36): Vitality subscale score (standardized)
|
Short Form (36) Health Survey (SF-36): Vitality subscale score (standardized)
The subscale score is based on 4 items from the Medical Outcomes Study Short Form 36 (SF-36). A high score suggests the participant "feels full of pep and energy all of the time in the past 4 week ". Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914) |
General Health/Medical Outcomes Study Short Form (SF-36) | |
|
nsrr_ahi_hp4u_aasm15
Apnea-Hypopnea Index: (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep
|
Apnea-Hypopnea Index: (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
|
dxadhd
Diagnosed with attention deficit hyperactivity disorder (ADHD)
|
Diagnosed with attention deficit hyperactivity disorder (ADHD) | Medical History | |
|
dxasth
Diagnosed with asthma
|
Diagnosed with asthma | Medical History | |
|
dxca
Diagnosed with cancer
|
Diagnosed with cancer | Medical History | |
|
dxcatyp
If diagnosed with cancer: Cancer type
|
If diagnosed with cancer: Cancer type | Medical History | |
|
dxchd
Diagnosed with coronary heart disease (angina, heart attack)
|
Diagnosed with coronary heart disease (angina, heart attack) | Medical History | |
|
dxchf
Diagnosed with congestive heart failure
|
Diagnosed with congestive heart failure | Medical History | |
|
dxdep
Diagnosed with depression
|
Diagnosed with depression | Medical History | |
|
dxdiab
Diagnosed with diabetes
|
Diagnosed with diabetes | Medical History | |
|
dxemph
Diagnosed with emphysema
|
Diagnosed with emphysema | Medical History | |
|
dxgerd
Diagnosed with gastroesophageal reflux disease (GERD)
|
Diagnosed with gastroesophageal reflux disease (GERD) | Medical History | |
|
dxhay
Diagnosed with hay fever / nasal congestion / sinusitis
|
Diagnosed with hay fever / nasal congestion / sinusitis | Medical History | |
|
dxhich
Diagnosed with high cholesterol
|
Diagnosed with high cholesterol | Medical History | |
|
dxhtn
Diagnosed with hypertension (high blood pressure)
|
Diagnosed with hypertension (high blood pressure) | Medical History | |
|
dxhyperthy
Diagnosed with hyperthyroidism (over-active thyroid)
|
Diagnosed with hyperthyroidism (over-active thyroid) | Medical History | |
|
dxhypothy
Diagnosed with hypothyroidism (under-active thyroid)
|
Diagnosed with hypothyroidism (under-active thyroid) | Medical History | |
|
dxkidney
Diagnosed with kidney disease
|
Diagnosed with kidney disease | Medical History | |
|
dxliver
Diagnosed with liver disease
|
Diagnosed with liver disease | Medical History | |
|
dxplhtn
Diagnosed with pulmonary hypertension
|
Diagnosed with pulmonary hypertension | Medical History | |
|
dxseiz
Diagnosed with seizures / epilepsy
|
Diagnosed with seizures / epilepsy | Medical History | |
|
dxstroke
Diagnosed with stroke
|
Diagnosed with stroke | Medical History | |
|
ahige15
Apnea-Hypopnea Index (AHI) >= 15 on diagnostic sleep study
|
Apnea-Hypopnea Index (AHI) >= 15 on diagnostic sleep study | Sleep Monitoring/Administrative | |
|
endtime
Clock time when the participant is out of bed or lights are on from type III home sleep apnea test
|
Clock time when the participant is out of bed or lights are on from type III home sleep apnea test
The Analysis Stop Time from the Embletta Sleep Report. |
Sleep Monitoring/Home Sleep Test | |
|
satlt90p
Percentage of total estimated sleep duration with < 90% oxygen saturation from type III home sleep apnea test
|
Percentage of total estimated sleep duration with < 90% oxygen saturation from type III 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/Home Sleep Test | |
|
starttime
Clock time when the participant is in bed or lights are out from type III home sleep apnea test
|
Clock time when the participant is in bed or lights are out from type III home sleep apnea test
The Analysis Start Time from the Embletta Sleep Report. |
Sleep Monitoring/Home Sleep Test | |
|
ablation
Ablation at optimal pressure (Apnea-Hypopnea Index (AHI) < 10)
|
Ablation at optimal pressure (Apnea-Hypopnea Index (AHI) < 10) | Sleep Monitoring/Polysomnography/Administrative | |
|
diagtype
Diagnostic type used to determine Apnea-Hypopnea Index (AHI)
|
Diagnostic type used to determine Apnea-Hypopnea Index (AHI) | Sleep Monitoring/Polysomnography/Administrative | |
|
pctrem_d
Percent of total sleep duration in REM sleep from type I polysomnography (split-night, diagnostic)
|
Percent of total sleep duration in REM sleep from type I polysomnography (split-night, diagnostic)
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
pctrem_t
Percent of total sleep duration in REM sleep from type I polysomnography (split-night, treatment)
|
Percent of total sleep duration in REM sleep from type I polysomnography (split-night, treatment)
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
pctsa90h
Percentage of total sleep duration with < 90% oxygen saturation from type I polysomnography (full-night)
|
Percentage of total sleep duration with < 90% oxygen saturation from type I polysomnography (full-night)
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
pctsa90p_d
Portion of sleep time spent with oxygen saturation less than 90% (split-night, diagnostic)
|
Portion of sleep time spent with oxygen saturation less than 90% (split-night, diagnostic)
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
pctsa90p_t
Portion of sleep time spent with oxygen saturation less than 90% (split-night, treatment)
|
Portion of sleep time spent with oxygen saturation less than 90% (split-night, treatment)
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
|
pctstg1_d
Percentage of stage 1 sleep among total sleep duration from type I polysomnography (split-night, diagnostic)
|
Percentage of stage 1 sleep among total sleep duration from type I polysomnography (split-night, diagnostic)
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture |