pdrid avgsat
Name
ai_all
Label
Arousal Index
Description

Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours.

Calculation
ai_all = 60 * ( arrembp + arremop + arnrembp + arnremop ) / slpprdp
Units
events per hour
Type
numeric
Tags
ai_all
Visit Number vs Arousal Index
N Mean StdDev Median Min Max Unknown Total
Visit 8 456 20.7 ± 12.0 18.0 2.4 75.1 5 461