ai_nrem arnrembp
Name
ai_rem
Label
Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Description

Total arousals in rapid eye movement sleep (REM) per hours of rapid eye movement sleep (REM)

Calculation
ai_rem = 60 * ( arrembp + arremop ) / minremp
Units
events per hour
Type
numeric
Tags
phrnumar_sr_f1t2
Visit number vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 8 452 12.6 ± 9.4 10.0 0.0 50.6 9 461
Age (categorical) vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 446 12.4 ± 9.3 10.0 0.0 50.6 9 455
75-84 years 319 12.8 ± 9.4 10.3 0.0 50.6 6 325
85 years or older 127 11.5 ± 8.9 8.9 0.0 48.2 3 130
Gender vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 452 12.6 ± 9.4 10.0 0.0 50.6 9 461
Female 452 12.6 ± 9.4 10.0 0.0 50.6 9 461