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Multi-Ethnic Study of Atherosclerosis

Name Label Folder
ndaysnapssleepwo5
Total number of days with naps (with some sleep are counted) in the entire actigraphy recording period in workdays from actigraphy
Total number of days with naps (with some sleep are counted) in the entire actigraphy recording period in workdays from actigraphy Sleep Monitoring/Actigraphy
ndaysnw5
Total number of days with sleep data in the entire actigraphy recording period in non-workdays from actigraphy
Total number of days with sleep data in the entire actigraphy recording period in non-workdays from actigraphy Sleep Monitoring/Actigraphy
ndayswd5
Total number of days with sleep data in the entire actigraphy recording period in weekdays from actigraphy
Total number of days with sleep data in the entire actigraphy recording period in weekdays from actigraphy Sleep Monitoring/Actigraphy
ndayswe5
Total number of days with sleep data in the entire actigraphy recording period in weekends from actigraphy
Total number of days with sleep data in the entire actigraphy recording period in weekends from actigraphy Sleep Monitoring/Actigraphy
ndayswo5
Total number of days with sleep data in the entire actigraphy recording period in workdays from actigraphy
Total number of days with sleep data in the entire actigraphy recording period in workdays from actigraphy Sleep Monitoring/Actigraphy
nightsinvalid5
Actigraphy QS: # of Invalid Nights
Actigraphy QS: # of Invalid Nights Sleep Monitoring/Actigraphy
nightsrec5
Actigraphy QS: # of Nights Recorded
Actigraphy QS: # of Nights Recorded Sleep Monitoring/Actigraphy
nightsvalid5
Actigraphy QS: # of Valid Nights
Actigraphy QS: # of Valid Nights Sleep Monitoring/Actigraphy
overallqual5
Actigraphy QS: Overall Quality Grading (QS)
Actigraphy QS: Overall Quality Grading (QS) Sleep Monitoring/Actigraphy
sd24hrsleep5
Standard deviation of daily total sleep duration in main sleep and naps combined in all days from actigraphy
Standard deviation of daily total sleep duration in main sleep and naps combined in all days from actigraphy

This variable measures the within subject variability of daily total sleep duration in main sleep.

Sleep Monitoring/Actigraphy
sd24hrsleepnw5
Standard deviation of daily total sleep duration in main sleep and naps combined in non-workdays from actigraphy
Standard deviation of daily total sleep duration in main sleep and naps combined in non-workdays from actigraphy

This variable measures the within subject variability of daily total sleep duration in main sleep.

Sleep Monitoring/Actigraphy
sd24hrsleepwd5
Standard deviation of daily total sleep duration in main sleep and naps combined in weekdays from actigraphy
Standard deviation of daily total sleep duration in main sleep and naps combined in weekdays from actigraphy

This variable measures the within subject variability of daily total sleep duration in main sleep.

Sleep Monitoring/Actigraphy
sd24hrsleepwe5
Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy
Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy

This variable measures the within subject variability of daily total sleep duration in main sleep.

Sleep Monitoring/Actigraphy
sd24hrsleepwo5
Standard deviation of daily total sleep duration in main sleep and naps combined in workdays from actigraphy
Standard deviation of daily total sleep duration in main sleep and naps combined in workdays from actigraphy

This variable measures the within subject variability of daily total sleep duration in main sleep.

Sleep Monitoring/Actigraphy
sdefficiency5
Standard deviation of the daily sleep efficiency in all days from actigraphy
Standard deviation of the daily sleep efficiency in all days from actigraphy

Sleep efficiency is the proportion of sleep duration (i.e. total sleep time, tst) in total rest period (i.e. rest interval) in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep. In this study, rest interval is the same as in-bed period.

Sleep Monitoring/Actigraphy
sdefficiencynw5
Standard deviation of the daily sleep efficiency in non-workdays from actigraphy
Standard deviation of the daily sleep efficiency in non-workdays from actigraphy

Sleep efficiency is the proportion of sleep duration (i.e. total sleep time, tst) in total rest period (i.e. rest interval) in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep. In this study, rest interval is the same as in-bed period.

Sleep Monitoring/Actigraphy
sdefficiencywd5
Standard deviation of the daily sleep efficiency in weekdays from actigraphy
Standard deviation of the daily sleep efficiency in weekdays from actigraphy

Sleep efficiency is the proportion of sleep duration (i.e. total sleep time, tst) in total rest period (i.e. rest interval) in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep. In this study, rest interval is the same as in-bed period.

Sleep Monitoring/Actigraphy
sdefficiencywe5
Standard deviation of the daily sleep efficiency in weekends from actigraphy
Standard deviation of the daily sleep efficiency in weekends from actigraphy

Sleep efficiency is the proportion of sleep duration (i.e. total sleep time, tst) in total rest period (i.e. rest interval) in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep. In this study, rest interval is the same as in-bed period.

Sleep Monitoring/Actigraphy
sdefficiencywo5
Standard deviation of the daily sleep efficiency in workdays from actigraphy
Standard deviation of the daily sleep efficiency in workdays from actigraphy

Sleep efficiency is the proportion of sleep duration (i.e. total sleep time, tst) in total rest period (i.e. rest interval) in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep. In this study, rest interval is the same as in-bed period.

Sleep Monitoring/Actigraphy
sdinbedduration5
Standard deviation of daily rest period in all days from actigraphy
Standard deviation of daily rest period in all days from actigraphy

In this study, rest period (i.e. rest internal) is defined as in-bed period (i.e. time in bed, TIB) in main sleep.

Sleep Monitoring/Actigraphy
sdinbeddurationnw5
Standard deviation of daily rest period in non-workdays from actigraphy
Standard deviation of daily rest period in non-workdays from actigraphy

In this study, rest period (i.e. rest internal) is defined as in-bed period (i.e. time in bed, TIB) in main sleep.

Sleep Monitoring/Actigraphy
sdinbeddurationwd5
Standard deviation of daily rest period in weekdays from actigraphy
Standard deviation of daily rest period in weekdays from actigraphy

In this study, rest period (i.e. rest internal) is defined as in-bed period (i.e. time in bed, TIB) in main sleep.

Sleep Monitoring/Actigraphy
sdinbeddurationwe5
Standard deviation of daily rest period in weekends from actigraphy
Standard deviation of daily rest period in weekends from actigraphy

In this study, rest period (i.e. rest internal) is defined as in-bed period (i.e. time in bed, TIB) in main sleep.

Sleep Monitoring/Actigraphy
sdinbeddurationwo5
Standard deviation of daily rest period in workdays from actigraphy
Standard deviation of daily rest period in workdays from actigraphy

In this study, rest period (i.e. rest internal) is defined as in-bed period (i.e. time in bed, TIB) in main sleep.

Sleep Monitoring/Actigraphy
sdinbedtime5
Standard deviation of the daily start time for rest period in all days from actigraphy
Standard deviation of the daily start time for rest period in all days from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed, TIB), therefore the start time of rest period is in-bed time.

Sleep Monitoring/Actigraphy
sdinbedtimenw5
Standard deviation of the daily start time for rest period in non-workdays from actigraphy
Standard deviation of the daily start time for rest period in non-workdays from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed, TIB), therefore the start time of rest period is in-bed time.

Sleep Monitoring/Actigraphy
sdinbedtimewd5
Standard deviation of the daily start time for rest period in weekdays from actigraphy
Standard deviation of the daily start time for rest period in weekdays from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed, TIB), therefore the start time of rest period is in-bed time.

Sleep Monitoring/Actigraphy
sdinbedtimewe5
Standard deviation of the daily start time for rest period in weekends from actigraphy
Standard deviation of the daily start time for rest period in weekends from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed, TIB), therefore the start time of rest period is in-bed time.

Sleep Monitoring/Actigraphy
sdinbedtimewo5
Standard deviation of the daily start time for rest period in workdays from actigraphy
Standard deviation of the daily start time for rest period in workdays from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed, TIB), therefore the start time of rest period is in-bed time.

Sleep Monitoring/Actigraphy
sdmainsleep5
Standard deviation of daily total sleep duration in main sleep in all days from actigraphy
Standard deviation of daily total sleep duration in main sleep in all days from actigraphy Sleep Monitoring/Actigraphy
sdmainsleepnw5
Standard deviation of daily total sleep duration in main sleep in non-workdays from actigraphy
Standard deviation of daily total sleep duration in main sleep in non-workdays from actigraphy Sleep Monitoring/Actigraphy
sdmainsleepwd5
Standard deviation of daily total sleep duration in main sleep in weekdays from actigraphy
Standard deviation of daily total sleep duration in main sleep in weekdays from actigraphy Sleep Monitoring/Actigraphy
sdmainsleepwe5
Standard deviation of daily total sleep duration in main sleep in weekends from actigraphy
Standard deviation of daily total sleep duration in main sleep in weekends from actigraphy Sleep Monitoring/Actigraphy
sdmainsleepwo5
Standard deviation of daily total sleep duration in main sleep in workdays from actigraphy
Standard deviation of daily total sleep duration in main sleep in workdays from actigraphy Sleep Monitoring/Actigraphy
sdmainteff5
Standard deviation of the daily sleep maintenance efficiency in all days from actigraphy
Standard deviation of the daily sleep maintenance efficiency in all days from actigraphy

Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.

Sleep Monitoring/Actigraphy
sdmainteffnw5
Standard deviation of the daily sleep maintenance efficiency in non-workdays from actigraphy
Standard deviation of the daily sleep maintenance efficiency in non-workdays from actigraphy

Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.

Sleep Monitoring/Actigraphy
sdmainteffwd5
Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy

Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.

Sleep Monitoring/Actigraphy
sdmainteffwe5
Standard deviation of the daily sleep maintenance efficiency in weekends from actigraphy
Standard deviation of the daily sleep maintenance efficiency in weekends from actigraphy

Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.

Sleep Monitoring/Actigraphy
sdmainteffwo5
Standard deviation of the daily sleep maintenance efficiency in workdays from actigraphy
Standard deviation of the daily sleep maintenance efficiency in workdays from actigraphy

Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.

Sleep Monitoring/Actigraphy
sdoutbedtime5
Standard deviation of the daily end time for rest period in all days from actigraphy
Standard deviation of the daily end time for rest period in all days from actigraphy

In this study, the end time for rest period (i.e. rest interval) is defined as the out-bed time in main sleeps.

Sleep Monitoring/Actigraphy
sdoutbedtimenw5
Standard deviation of the daily end time for rest period in non-workdays from actigraphy
Standard deviation of the daily end time for rest period in non-workdays from actigraphy

In this study, the end time for rest period (i.e. rest interval) is defined as the out-bed time in main sleeps.

Sleep Monitoring/Actigraphy
sdoutbedtimewd5
Standard deviation of the daily end time for rest period in weekdays from actigraphy
Standard deviation of the daily end time for rest period in weekdays from actigraphy

In this study, the end time for rest period (i.e. rest interval) is defined as the out-bed time in main sleeps.

Sleep Monitoring/Actigraphy
sdoutbedtimewe5
Standard deviation of the daily end time for rest period in weekends from actigraphy
Standard deviation of the daily end time for rest period in weekends from actigraphy

In this study, the end time for rest period (i.e. rest interval) is defined as the out-bed time in main sleeps.

Sleep Monitoring/Actigraphy
sdoutbedtimewo5
Standard deviation of the daily end time for rest period in workdays from actigraphy
Standard deviation of the daily end time for rest period in workdays from actigraphy

In this study, the end time for rest period (i.e. rest interval) is defined as the out-bed time in main sleeps.

Sleep Monitoring/Actigraphy
sdrestmidpoint5
Standard deviation of the daily midpoint for rest period in main sleep in all days from actigraphy
Standard deviation of the daily midpoint for rest period in main sleep in all days from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed).

Sleep Monitoring/Actigraphy
sdrestmidpointnw5
Standard deviation of the daily midpoint for rest period in main sleep in non-workdays from actigraphy
Standard deviation of the daily midpoint for rest period in main sleep in non-workdays from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed).

Sleep Monitoring/Actigraphy
sdrestmidpointwd5
Standard deviation of the daily midpoint for rest period in main sleep in weekdays from actigraphy
Standard deviation of the daily midpoint for rest period in main sleep in weekdays from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed).

Sleep Monitoring/Actigraphy
sdrestmidpointwe5
Standard deviation of the daily midpoint for rest period in main sleep in weekends from actigraphy
Standard deviation of the daily midpoint for rest period in main sleep in weekends from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed).

Sleep Monitoring/Actigraphy
sdrestmidpointwo5
Standard deviation of the daily midpoint for rest period in main sleep in workdays from actigraphy
Standard deviation of the daily midpoint for rest period in main sleep in workdays from actigraphy

In this study, rest period (i.e. rest interval) is defined as in-bed period (i.e. time in bed).

Sleep Monitoring/Actigraphy
sdsleepmidpoint5
Standard deviation of the daily midpoint for sleep period in all days from actigraphy
Standard deviation of the daily midpoint for sleep period in all days from actigraphy

Sleep period is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepmidpointnw5
Standard deviation of the daily midpoint for sleep period in non-workdays from actigraphy
Standard deviation of the daily midpoint for sleep period in non-workdays from actigraphy

Sleep period is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepmidpointwd5
Standard deviation of the daily midpoint for sleep period in weekdays from actigraphy
Standard deviation of the daily midpoint for sleep period in weekdays from actigraphy

Sleep period is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepmidpointwe5
Standard deviation of the daily midpoint for sleep period in weekends from actigraphy
Standard deviation of the daily midpoint for sleep period in weekends from actigraphy

Sleep period is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepmidpointwo5
Standard deviation of the daily midpoint for sleep period in workdays from actigraphy
Standard deviation of the daily midpoint for sleep period in workdays from actigraphy

Sleep period is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepoffsettime5
Standard deviation of daily sleep offset time in all days from actigraphy
Standard deviation of daily sleep offset time in all days from actigraphy

Sleep offset time is the end time of main sleep.

Sleep Monitoring/Actigraphy
sdsleepoffsettimenw5
Standard deviation of daily sleep offset time in non-workdays from actigraphy
Standard deviation of daily sleep offset time in non-workdays from actigraphy

Sleep offset time is the end time of main sleep.

Sleep Monitoring/Actigraphy
sdsleepoffsettimewd5
Standard deviation of daily sleep offset time in weekdays from actigraphy
Standard deviation of daily sleep offset time in weekdays from actigraphy

Sleep offset time is the end time of main sleep.

Sleep Monitoring/Actigraphy
sdsleepoffsettimewe5
Standard deviation of daily sleep offset time in weekends from actigraphy
Standard deviation of daily sleep offset time in weekends from actigraphy

Sleep offset time is the end time of main sleep.

Sleep Monitoring/Actigraphy
sdsleepoffsettimewo5
Standard deviation of daily sleep offset time in workdays from actigraphy
Standard deviation of daily sleep offset time in workdays from actigraphy

Sleep offset time is the end time of main sleep.

Sleep Monitoring/Actigraphy
sdsleeponsettime5
Standard deviation of the daily sleep onset time in all days from actigraphy
Standard deviation of the daily sleep onset time in all days from actigraphy

Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.

Sleep Monitoring/Actigraphy
sdsleeponsettimenw5
Standard deviation of the daily sleep onset time in non-workdays from actigraphy
Standard deviation of the daily sleep onset time in non-workdays from actigraphy

Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.

Sleep Monitoring/Actigraphy
sdsleeponsettimewd5
Standard deviation of the daily sleep onset time in weekdays from actigraphy
Standard deviation of the daily sleep onset time in weekdays from actigraphy

Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.

Sleep Monitoring/Actigraphy
sdsleeponsettimewe5
Standard deviation of the daily sleep onset time in weekends from actigraphy
Standard deviation of the daily sleep onset time in weekends from actigraphy

Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.

Sleep Monitoring/Actigraphy
sdsleeponsettimewo5
Standard deviation of the daily sleep onset time in workdays from actigraphy
Standard deviation of the daily sleep onset time in workdays from actigraphy

Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.

Sleep Monitoring/Actigraphy
sdsleepperiodduration5
Standard deviation of daily sleep period in all days from actigraphy
Standard deviation of daily sleep period in all days from actigraphy

Sleep period (i.e. total sleep time, TST) is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepperioddurationnw5
Standard deviation of daily sleep period in non-workdays from actigraphy
Standard deviation of daily sleep period in non-workdays from actigraphy

Sleep period (i.e. total sleep time, TST) is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepperioddurationwd5
Standard deviation of daily sleep period in weekdays from actigraphy
Standard deviation of daily sleep period in weekdays from actigraphy

Sleep period (i.e. total sleep time, TST) is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepperioddurationwe5
Standard deviation of daily sleep period in weekends from actigraphy
Standard deviation of daily sleep period in weekends from actigraphy

Sleep period (i.e. total sleep time, TST) is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sdsleepperioddurationwo5
Standard deviation of daily sleep period in workdays from actigraphy
Standard deviation of daily sleep period in workdays from actigraphy

Sleep period (i.e. total sleep time, TST) is the interval between sleep onset time and sleep offset time in main sleep.

Sleep Monitoring/Actigraphy
sleepjournal5
Actigraphy QS: Sleep Journal Received
Actigraphy QS: Sleep Journal Received Sleep Monitoring/Actigraphy
stdyady5c
Actigraphy QS: Days From Exam 5 To Study Date
Actigraphy QS: Days From Exam 5 To Study Date Sleep Monitoring/Actigraphy
timeend5
Actigraphy QS: Data Collection End Time
Actigraphy QS: Data Collection End Time Sleep Monitoring/Actigraphy
timestart5
Actigraphy QS: Data Collection Start Time
Actigraphy QS: Data Collection Start Time Sleep Monitoring/Actigraphy
haveact5
MESA Sleep: Has Actigraphy Data (5+ Valid Nights) from type II polysomnography
MESA Sleep: Has Actigraphy Data (5+ Valid Nights) from type II polysomnography Sleep Monitoring/Polysomnography/Administrative
havepsg5
MESA Sleep: Has PSG Data (Passed Overnight Study) from type II polysomnography
MESA Sleep: Has PSG Data (Passed Overnight Study) from type II polysomnography Sleep Monitoring/Polysomnography/Administrative
match5
MESA Sleep: PSG/Actigraphy Start Dates Match (I.E. No Failures; Tests Were Concurrent) from type II polysomnography
MESA Sleep: PSG/Actigraphy Start Dates Match (I.E. No Failures; Tests Were Concurrent) from type II polysomnography Sleep Monitoring/Polysomnography/Administrative
scorerid5
PSG Report: Scorer ID from type II polysomnography
PSG Report: Scorer ID from type II polysomnography Sleep Monitoring/Polysomnography/Administrative
stdypdy5c
PSG QS: Days From Exam 5 To Study Date from type II polysomnography
PSG QS: Days From Exam 5 To Study Date from type II polysomnography Sleep Monitoring/Polysomnography/Administrative
ahi4pa_nrem5
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of NREM sleep from type II polysomnography
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of NREM sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4pa_nsup5
Apnea-Hypopnea Index (Non-Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep in non-supine position from type II polysomnography
Apnea-Hypopnea Index (Non-Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4pa_rem5
Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of REM sleep from type II polysomnography
Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of REM sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4pa_sup5
Apnea-Hypopnea Index (Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep in supine position from type II polysomnography
Apnea-Hypopnea Index (Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4p_nrem5
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4p_nsup5
Apnea-Hypopnea Index (Non-Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep in non-supine position from type II polysomnography
Apnea-Hypopnea Index (Non-Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4p_rem5
Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of REM sleep from type II polysomnography
Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of REM sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahi4p_sup5
Apnea-Hypopnea Index (Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type II polysomnography
Apnea-Hypopnea Index (Supine): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
ahiu35
Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai0p5
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography

Calculated - Summary metric of sleep disordered breathing events

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai0p_nrem5
Central Apnea Index (NREM): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep from type II polysomnography
Central Apnea Index (NREM): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai0p_nsup5
Central Apnea Index (Non-Supine): (Central apeneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep in non-supine position from type II polysomnography
Central Apnea Index (Non-Supine): (Central apeneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai0p_rem5
Central Apnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep from type II polysomnography
Central Apnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai0p_sup5
Central Apnea Index (Supine): (Central apeneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep in supine position from type II polysomnography
Central Apnea Index (Supine): (Central apeneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai4p5
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography

Calculated - Summary metric of sleep disordered breathing events

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cai4pa5
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used or with arousal) / hour of sleep from type II polysomnography
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used or with arousal) / hour of sleep from type II polysomnography

Calculated - Summary metric of sleep disordered breathing events

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cardnba35
Central Apnea Index (NREM, Supine): (Central apneas with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Central Apnea Index (NREM, Supine): (Central apneas with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cardnba5
Central Apnea Index (NREM, Supine): (Central apneas with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type II polysomnography
Central Apnea Index (NREM, Supine): (Central apneas with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cardnbp5
Central Apnea Index (NREM, Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography
Central Apnea Index (NREM, Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cardnoa35
Central Apnea Index (NREM, Non-Supine): (Central apneas with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type II polysomnography
Central Apnea Index (NREM, Non-Supine): (Central apneas with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cardnoa5
Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in non-supine position from type II polysomnography
Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
cardnop5
Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography
Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices