Name
ahi4p_nrem5
Label
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
Units
number of events per hour
Type
numeric