nsrr_pctdursp_s1 nsrr_pctdursp_s3
Name
nsrr_pctdursp_s2
Label
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography
Description

Harmonized by the NSRR team. Source: pertsts2psg

Units
percent (%)
Type
numeric
Tags
pctdursp_s2_f1t1
Visit (Number) vs Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline (BL) - - - - - - 1,516 1,516
Clinical Evaluation (CE) - - - - - - 1,516 1,516
Diagnostic Visit (DX) 1,223 60.7 ± 13.5 62.9 0.0 91.8 293 1,516
CPAP Titration Visit (CPAP) 1,064 62.2 ± 13.4 64.2 0.2 93.7 452 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 61.6 ± 12.2 63.1 4.6 99.0 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 62.3 ± 11.7 63.7 0.5 89.3 667 1,516