Name | Label | Folder | |
---|---|---|---|
nsrr_ahi_hp3r_aasm15
Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep
Harmonized by the NSRR team. |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_ahi_hp3u
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: ahi_a0h3 at Visit 3 |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_ahi_hp4r
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: ahi_a0h4a at Visit 3 |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
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 | |
nsrr_cai
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
|
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Harmonized by the NSRR team. Source: canbp canop carbp carop slpprdp |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_oahi_hp3u
Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
|
Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. Source: ahi_o0h3 |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_oahi_hp4u
Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep
|
Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. Source: ahi_o0h4 |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_oai
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
|
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Harmonized by the NSRR team. Source: oai0p |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_phrnumar_f1
Arousal Index: Number of arousals per hour of sleep from polysomnography
|
Arousal Index: Number of arousals per hour of sleep from polysomnography
Harmonized by the NSRR team. Source: ai_all at Visit 3 |
Harmonized/Polysomnography/Arousal | |
nsrr_avglvlsa
Average oxygen saturation in sleep
|
Average oxygen saturation in sleep
Harmonized by the NSRR team. Source: avgsat |
Harmonized/Polysomnography/Oxygen Satuartion | |
nsrr_minlvlsa
Minimum oxygen saturation in sleep
|
Minimum oxygen saturation in sleep
Harmonized by the NSRR team. Source: minsat |
Harmonized/Polysomnography/Oxygen Satuartion | |
nsrr_flag_spsw
Study scored sleep/wake rather than with full sleep staging if there is not sufficient quality on EEG lead. Studies scored as sleep wake have all sleep stages scored using a default of Stage 2 and no arousals are scored.
|
Study scored sleep/wake rather than with full sleep staging if there is not sufficient quality on EEG lead. Studies scored as sleep wake have all sleep stages scored using a default of Stage 2 and no arousals are scored.
Harmonized by the NSRR team. Source: slewake at Visit 3 |
Harmonized/Polysomnography/Signal Quality | |
nsrr_begtimbd_f1
Lights-out or in-bed clock time from polysomnography
|
Lights-out or in-bed clock time from polysomnography
Conventionally, this variable would be called the start of time in bed (TIB). |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_begtimsp_f1
Sleep onset time from polysomnography
|
Sleep onset time from polysomnography
Harmonized by the NSRR team. Source: stonsetp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_endtimbd_f1
Lights-on or out-bed clock time from polysomnography
|
Lights-on or out-bed clock time from polysomnography
Conventionally, this variable would be called the end of time in bed (TIB). |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s1
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
Harmonized by the NSRR team. Source: timest1p |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s2
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography
Harmonized by the NSRR team. Source: timest2p |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s3
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 3/4 from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 3/4 from polysomnography
Harmonized by the NSRR team. Source: times34p |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_sr
Percentage of total sleep duration (i.e., total sleep time, TST) in REM from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in REM from polysomnography
Harmonized by the NSRR team. Source: timeremp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_tst_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 | |
nsrr_ttleffsp_f1
Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from polysomnography
|
Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from polysomnography
Harmonized by the NSRR team. Source: slp_eff |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttllatsp_f1
Sleep Latency: the interval between lights-out/in-bed time and sleep onset from polysomnography
|
Sleep Latency: the interval between lights-out/in-bed time and sleep onset from polysomnography
Harmonized by the NSRR team. Source: slplatp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttlmefsp_f1
Sleep Maintenance Efficiency: the proportion of total sleep duration (i.e., total sleep time) in sleep period (i.e., interval between sleep onset and offset including wake) from polysomnography
|
Sleep Maintenance Efficiency: the proportion of total sleep duration (i.e., total sleep time) in sleep period (i.e., interval between sleep onset and offset including wake) from polysomnography
Harmonized by the NSRR team. Source: slp_maint_eff |
Harmonized/Polysomnography/Sleep Architecture |