Name
nsrr_ahi_hp4r
Label
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep
Description

Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: ahi_ap0uhp3x4r_f1t1

Units
events per hour
Type
numeric
Visit number vs Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 45.0 ± 27.8 37.8 0.9 124.0 - 49
9-Month Followup - - - - - - - -
18-Month Followup - - - - - - - -