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 8 |
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 8 |
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_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 8 |
Harmonized/Polysomnography/Arousal | |
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 8 |
Harmonized/Polysomnography/Signal Quality | |
nsrr_pctdursp_s1
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 (N1) from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 (N1) from polysomnography
Harmonized by the NSRR team. Source: tmstg1p at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s2
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 (N2) from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 (N2) from polysomnography
Harmonized by the NSRR team. Source: tmstg2p at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s3
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 3/4 (N3) from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 3/4 (N3) from polysomnography
Harmonized by the NSRR team. Source: tmstg34p at Visit 8 |
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: tmremp at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
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 | |
nsrr_ttldursp_s1s4
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
|
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
Harmonized by the NSRR team. Source: remlaiip at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttleffsp_f1
Sleep Efficiency: the ratio of sleep duration (i.e., total sleep time, TST) to in-bed period frompolysomnography
|
Sleep Efficiency: the ratio of sleep duration (i.e., total sleep time, TST) to in-bed period frompolysomnography
Harmonized by the NSRR team. Source: slp_eff at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttllatsp_f1
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from polysomnography
|
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from polysomnography
Harmonized by the NSRR team. Source: slplatp at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttlprdbd_f1
Total period of bed (i.e., time in bed) from polysomnography
|
Total period of bed (i.e., time in bed) from polysomnography
Harmonized by the NSRR team. Source: timebedp at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttlprdsp_s1sr
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
|
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
Harmonized by the NSRR team. Source: remlaip at Visit 8 |
Harmonized/Polysomnography/Sleep Architecture |