nsrr_phrnumar_f1 nsrr_pctdursp_s2
Name
nsrr_pctdursp_s1
Label
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
Description

Harmonized by the NSRR team. Source: pertsts1psg

Units
percent (%)
Type
numeric
Tags
pctdursp_s1_f1t1
Visit (Number) vs Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 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 18.5 ± 14.5 14.2 0.7 100.0 293 1,516
CPAP Titration Visit (CPAP) 1,064 16.6 ± 14.0 12.4 1.1 95.3 452 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 15.4 ± 12.3 11.8 0.5 95.2 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 14.8 ± 12.6 11.0 0.5 87.1 667 1,516