| Name | Label | Folder | |
|---|---|---|---|
|
clusterid
Recoded Site ID for longitudinal models
|
Recoded Site ID for longitudinal models
The original Site ID was removed from the dataset because it was considered identifiable. This variable has obfuscated the original Site IDs. |
Administrative | |
|
new_pid
Original Participant ID
|
Original Participant ID
This is the participant identifier that is present on Biologic Specimen and Data Repository Information Coordinating Center (BioLINCC) datasets. Use |
Administrative | |
|
nsrrid
NSRR Subject Identifier
|
NSRR Subject Identifier
The National Sleep Research Resource (NSRR) subject identifer links the subject's data and files. Use |
Administrative | |
|
completer_per_protocol
Participant completed the study as per protocol
|
Participant completed the study as per protocol | Administrative/CONSORT Diagram Components | |
|
arm
Treatment Arm
|
Treatment Arm
The randomization code assigned by the Data Management System (DMS). |
Administrative/Randomization | |
|
ant3
Child's standing height
|
Child's standing height | Anthropometry | |
|
ant4
Child's weight
|
Child's weight | Anthropometry | |
|
ant5
Child's Body mass index (BMI)
|
Child's Body mass index (BMI) | Anthropometry | |
|
bmiz
Z-score for body mass index (BMI)-for-age
|
Z-score for body mass index (BMI)-for-age | Anthropometry | |
|
chol
Total cholesterol levels
|
Total cholesterol levels | Biochemical Testing/Biochemical Results | |
|
crp_ug_ml
C-reactive protein (CRP) levels
|
C-reactive protein (CRP) levels | Biochemical Testing/Biochemical Results | |
|
glucose_mmol
Blood glucose levels
|
Blood glucose levels | Biochemical Testing/Biochemical Results | |
|
hdl_mg_dl
Blood high-density lipoprotein (HDL) levels
|
Blood high-density lipoprotein (HDL) levels | Biochemical Testing/Biochemical Results | |
|
homa
Homeostasis Model Assessment (HOMA) estimate of insulin resistance
|
Homeostasis Model Assessment (HOMA) estimate of insulin resistance | Biochemical Testing/Biochemical Results | |
|
insulin_uil_ml
Blood insulin levels
|
Blood insulin levels | Biochemical Testing/Biochemical Results | |
|
ldl_mg_dl
Blood low-density lipoprotein (LDL) levels
|
Blood low-density lipoprotein (LDL) levels | Biochemical Testing/Biochemical Results | |
|
sgl_mg_dl
Serum glucose levels
|
Serum glucose levels | Biochemical Testing/Biochemical Results | |
|
trig
Triglyceride levels
|
Triglyceride levels | Biochemical Testing/Biochemical Results | |
|
bp41
Average systolic blood pressure
|
Average systolic blood pressure | Blood Pressure (BP) | |
|
bp42
Average diastolic blood pressure
|
Average diastolic blood pressure | Blood Pressure (BP) | |
|
ageyear_at_meas
Age computed in years at time anthropometry were taken
|
Age computed in years at time anthropometry were taken | Demographics/Child Demographic Information | |
|
chi2
Child's gender
|
Child's gender | Demographics/Child Demographic Information | |
|
chi3
Child's ethnicity
|
Child's ethnicity | Demographics/Child Demographic Information | |
|
chi5
Child's grade
|
Child's grade | Demographics/Child Demographic Information | |
|
male
Gender
|
Gender | Demographics/Child Demographic Information | |
|
race3
Race
|
Race | Demographics/Child Demographic Information | |
|
eliginelig
Eligibility status by Polysomnography (PSG)
|
Eligibility status by Polysomnography (PSG)
Ineligible if omahi3 <2 and omai0p<1 or meets any of urgent criteria variables ahiov30=1, saO2lt90=1, unuhrou=1,unuhroth=1 |
Sleep/Polysomnography (PSG)/Administrative | |
|
oxitype
Oximeter type
|
Oximeter type
1 = Masimo, 2 = Nonin, 3 = Nonin Biologic |
Sleep/Polysomnography (PSG)/Administrative | |
|
stdydt
Date of study
|
Date of study | Sleep/Polysomnography (PSG)/Administrative | |
|
unittype
Polysomnography (PSG) unit type
|
Polysomnography (PSG) unit type | Sleep/Polysomnography (PSG)/Administrative | |
|
ai
Arousal Index - Compumedics calculated - changed with new American Academy of Sleep Medicine (AASM) rules now have two other variables
|
Arousal Index - Compumedics calculated - changed with new American Academy of Sleep Medicine (AASM) rules now have two other variables
(Total number of arousals) / (hours of sleep) New Variable @632 for Prof 3.1 build 239 Number of Arousals per hour during Report Time Options: 0 - All (default); 1 - Type 1 Arousal; 2 - Type 2 Arousal; 3 - Type 3 Arousal; 4 - Type 4 Arousal; 5 - Type 5 Arousal - See Arousal Sheet with new application of American Academy of Sleep Medicine (AASM) rules |
Sleep/Polysomnography (PSG)/Arousals | |
|
ai_all
Overall Arousal Index
|
Overall Arousal Index
Arousal Index - total arousals per hour of sleep [(Total number of arousals) / (hours of sleep)] |
Sleep/Polysomnography (PSG)/Arousals | |
|
ai_nrem
Arousal Index non-rapid eye movement sleep (NREM)
|
Arousal Index non-rapid eye movement sleep (NREM)
Non-rapid eye movement sleep (NREM) Arousal Index - total arousals in non-rapid eye movement sleep (NREM) per hours of non-rapid eye movement sleep (NREM) [(Total number of arousals in non-rapid eye movement sleep (NREM)) / (hours of non-rapid eye movement sleep (NREM))] |
Sleep/Polysomnography (PSG)/Arousals | |
|
ai_rem
Arousal Index rapid eye movement sleep (REM)
|
Arousal Index rapid eye movement sleep (REM)
Rapid eye movement sleep (REM) Arousal Index - total arousals in rapid eye movement sleep (REM) per hours of rapid eye movement sleep (REM) (Total number of arousals in rapid eye movement sleep (REM)) / (hours of rapid eye movement sleep (REM)) |
Sleep/Polysomnography (PSG)/Arousals | |
|
capnotype
Capnograph type
|
Capnograph type | Sleep/Polysomnography (PSG)/Capnography | |
|
co2dur
Hours of usable carbon dioxide (CO2)
|
Hours of usable carbon dioxide (CO2)
Hours of usable carbon dioxide (CO2) signal - requires use of calibrated channel type with upper and lower limits for valid signal |
Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_co2avgnr
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) (normalized for capnograph type)
|
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_co2avgr
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) (normalized for capnograph type)
|
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_co2blslp
Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
|
Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_co2blwake
Baseline end-tidal carbon dioxide (ETCO2) awake (normalized for capnograph type)
|
Baseline end-tidal carbon dioxide (ETCO2) awake (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_co2peak
Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
|
Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_pctco2g45
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
|
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
nova_est_pctco2g50
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) (normalized for capnograph type)
|
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) (normalized for capnograph type) | Sleep/Polysomnography (PSG)/Capnography | |
|
rco2avgnr
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM)
|
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) | Sleep/Polysomnography (PSG)/Capnography | |
|
rco2avgr
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM)
|
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) | Sleep/Polysomnography (PSG)/Capnography | |
|
rco2blslp
Baseline end-tidal carbon dioxide (ETCO2) asleep
|
Baseline end-tidal carbon dioxide (ETCO2) asleep | Sleep/Polysomnography (PSG)/Capnography | |
|
rco2blwake
Baseline end-tidal carbon dioxide (ETCO2) awake
|
Baseline end-tidal carbon dioxide (ETCO2) awake | Sleep/Polysomnography (PSG)/Capnography | |
|
rco2peak
Peak end-tidal carbon dioxide (ETCO2) asleep
|
Peak end-tidal carbon dioxide (ETCO2) asleep | Sleep/Polysomnography (PSG)/Capnography | |
|
rpctco2g45
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg)
|
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) | Sleep/Polysomnography (PSG)/Capnography | |
|
rpctco2g50
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg)
|
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) | Sleep/Polysomnography (PSG)/Capnography | |
|
bpmavg
Average heart rate
|
Average heart rate
entire recording |
Sleep/Polysomnography (PSG)/Heart Rate (HR) | |
|
bpmmax
Highest heart rate
|
Highest heart rate
entire recording |
Sleep/Polysomnography (PSG)/Heart Rate (HR) | |
|
bpmmin
Lowest heart rate
|
Lowest heart rate
entire recording |
Sleep/Polysomnography (PSG)/Heart Rate (HR) | |
|
avsao2nh
Average oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM)
|
Average oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
avsao2rh
Average oxygen saturation (SaO2) during rapid eye movement sleep (REM)
|
Average oxygen saturation (SaO2) during rapid eye movement sleep (REM) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
mnsao2nh
Minimum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM)
|
Minimum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
mnsao2rh
Minimum oxygen saturation (SaO2) during rapid eye movement sleep (REM)
|
Minimum oxygen saturation (SaO2) during rapid eye movement sleep (REM) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
mxsao2nh
Maximum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM)
|
Maximum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
mxsao2rh
Maximum oxygen saturation (SaO2) during rapid eye movement sleep (REM)
|
Maximum oxygen saturation (SaO2) during rapid eye movement sleep (REM) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
ndes2ph
Number of desaturations with >=2% desaturation
|
Number of desaturations with >=2% desaturation | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
ndes3ph
Number of desaturation with >=3% desaturation
|
Number of desaturation with >=3% desaturation | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
ndes4ph
Number of desaturation with >=4% desaturation
|
Number of desaturation with >=4% desaturation | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
ndes5ph
Number of desaturation with >=5% desaturation
|
Number of desaturation with >=5% desaturation | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
odi
Oxygen Desaturation Index >=3%
|
Oxygen Desaturation Index >=3% | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
odi3
Oxygen Desaturation Index at >=3% (during sleep time)
|
Oxygen Desaturation Index at >=3% (during sleep time) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
odi4
Oxygen Desaturation Index at >=4% (during sleep time)
|
Oxygen Desaturation Index at >=4% (during sleep time) | Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctle80
Percentage of time <= 80% oxygen saturation (SaO2)
|
Percentage of time <= 80% oxygen saturation (SaO2)
[100*(total number of minutes with oxygen saturation (SaO2) <= 80) / (Total Sleep Time (TST))]. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctle85
Percentage of time <= 85% oxygen saturation (SaO2)
|
Percentage of time <= 85% oxygen saturation (SaO2)
[100*(total number of minutes with oxygen saturation (SaO2) <= 85) / (Total Sleep Time (TST))]. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctle90
Percentage of time <= 90% oxygen saturation (SaO2)
|
Percentage of time <= 90% oxygen saturation (SaO2)
[100*(total number of minutes with oxygen saturation (SaO2) <= 90) / (Total Sleep Time (TST))]. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctle92
Percentage of time <= 92% oxygen saturation (SaO2)
|
Percentage of time <= 92% oxygen saturation (SaO2)
[100*(total number of minutes with oxygen saturation (SaO2) <= 92) / (Total Sleep Time (TST))]. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctlt85
Percentage of time < 85% oxygen saturation (SaO2)
|
Percentage of time < 85% oxygen saturation (SaO2)
[100*(total number of minutes with oxygen saturation (SaO2) < 85) / (Total Sleep Time (TST))]. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctlt90
Percentage of time < 90% oxygen saturation (SaO2)
|
Percentage of time < 90% oxygen saturation (SaO2)
[100*(total number of minutes with oxygen saturation (SaO2) < 90) / (Total Sleep Time (TST))]. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa75
Percentage of sleep time oxygen saturation (SaO2) is <= 75%
|
Percentage of sleep time oxygen saturation (SaO2) is <= 75%
[(total time oxygen saturation (SaO2) is <= 75%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa80
Percentage of sleep time oxygen saturation (SaO2) is <= 80%
|
Percentage of sleep time oxygen saturation (SaO2) is <= 80%
[(total time oxygen saturation (SaO2) is <= 80%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa80h
Percentage of sleep time oxygen saturation (SaO2) is < 80%
|
Percentage of sleep time oxygen saturation (SaO2) is < 80%
[(total time oxygen saturation (SaO2) is < 80%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa85
Percentage of sleep time oxygen saturation (SaO2) is <= 85%
|
Percentage of sleep time oxygen saturation (SaO2) is <= 85%
[(total time oxygen saturation (SaO2) is <= 85%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa85h
Percentage of sleep time oxygen saturation (SaO2) is < 85%
|
Percentage of sleep time oxygen saturation (SaO2) is < 85%
[(total time oxygen saturation (SaO2) is < 85%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa90
Percentage of sleep time oxygen saturation (SaO2) is <= 90%
|
Percentage of sleep time oxygen saturation (SaO2) is <= 90%
[(total time oxygen saturation (SaO2) is <= 90%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa90h
Percentage of sleep time oxygen saturation (SaO2) is < 90%
|
Percentage of sleep time oxygen saturation (SaO2) is < 90%
[(total time oxygen saturation (SaO2) is < 90%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa92
Percentage of sleep time oxygen saturation (SaO2) is <= 92%
|
Percentage of sleep time oxygen saturation (SaO2) is <= 92%
[(total time oxygen saturation (SaO2) is <= 92%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa95
Percentage of sleep time oxygen saturation (SaO2) is <= 95%
|
Percentage of sleep time oxygen saturation (SaO2) is <= 95%
[(total time oxygen saturation (SaO2) is <= 95%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
pctsa95h
Percentage of sleep time oxygen saturation (SaO2) is < 95%
|
Percentage of sleep time oxygen saturation (SaO2) is < 95%
[(total time oxygen saturation (SaO2) is < 95%) / (Total Sleep Time (TST))] * 100 |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
sao2nrem
Average oxygen saturation (SaO2) non-rapid eye movement sleep (NREM)
|
Average oxygen saturation (SaO2) non-rapid eye movement sleep (NREM)
[mean(all oxygen saturation (SaO2) values in non-rapid eye movement sleep (NREM))]. will be missing if study scored as sleep/wake only. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
sao2rem
Average oxygen saturation (SaO2) rapid eye movement sleep (REM)
|
Average oxygen saturation (SaO2) rapid eye movement sleep (REM)
[mean(all oxygen saturation (SaO2) values in rapid eye movement sleep (REM))]. will be missing if study scored as sleep/wake only. |
Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) | |
|
longap
Longest apnea
|
Longest apnea | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea | |
|
cardnba
Central apnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
|
Central apnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central | |
|
cavgdur
Average central apnea length
|
Average central apnea length
duration (entire recording) |
Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central | |
|
hmanrop
Number of mixed apnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
|
Number of mixed apnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Mixed | |
|
oavgdur
Average obstructive apnea length
|
Average obstructive apnea length
duration (entire recording) |
Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Obstructive | |
|
havgdur
Average hypopnea length
|
Average hypopnea length
duration (entire recording) |
Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
longhyp
Longest hypopnea
|
Longest hypopnea
(entire recording) |
Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinba
Hypopnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
|
Hypopnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinba2
Hypopnea per hour with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
|
Hypopnea per hour with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinba3
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
|
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinbp
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
|
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, all desaturations) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinbp3
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)
|
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinoa3
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)
|
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinop
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
|
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdinop3
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)
|
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
|
rdirba3
Hypopnea per hour with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Supine)
|
Hypopnea per hour with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Supine) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea |