ahi_o0h4a avgsat
Name
ai_all
Label
Arousal Index: Arousals per hour of sleep from type I polysomnography
Description

Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours. [(Total number of arousals) / (hours of sleep)]

Calculation
ai_all = 60 * ( arrembp + arremop + arnrembp + arnremop ) / slpprdp
Units
arousals per hour
Type
numeric
Tags
phrnumar_f1t1
Visit vs Arousal Index: Arousals per hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 513 8.7 ± 3.7 7.8 1.8 30.9 4 517
Age at time of visit vs Arousal Index: Arousals per hour of sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 8.7 ± 3.7 7.8 1.8 30.9 4 517
16.14 to 17.41 years 129 8.4 ± 3.1 7.9 3.0 17.9 1 130
17.41 to 17.69 years 128 8.9 ± 3.6 8.2 1.8 19.1 1 129
17.69 to 17.91 years 128 8.5 ± 4.2 7.5 3.5 30.9 1 129
17.91 to 19.56 years 128 9.0 ± 3.9 8.2 2.2 21.3 1 129
Male gender vs Arousal Index: Arousals per hour of sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 8.7 ± 3.7 7.8 1.8 30.9 4 517
No 254 8.1 ± 3.2 7.6 1.8 20.5 2 256
Yes 259 9.2 ± 4.1 8.3 2.2 30.9 2 261
Race vs Arousal Index: Arousals per hour of sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 8.7 ± 3.7 7.8 1.8 30.9 4 517
White 307 8.8 ± 3.7 8.1 1.8 29.9 2 309
Black 183 8.5 ± 3.9 7.6 2.2 30.9 2 185
Other 23 8.9 ± 3.6 7.9 4.3 17.1 - 23