Name
ai_rem
Label
Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
Calculation
ai_rem = 60 * ( arrembp + arremop ) / minremp
Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,615 15.4 ± 10.9 13.0 0.0 87.4 189 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,602 14.8 ± 10.6 12.3 0.0 90.0 1,478 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,615 15.4 ± 10.9 13.0 0.0 87.4 189 5,804
35-44 years 335 14.1 ± 10.5 12.5 0.0 79.4 7 342
45-54 years 989 15.5 ± 10.4 13.3 0.0 87.4 28 1,017
55-64 years 1,730 16.3 ± 11.1 13.7 0.0 82.2 39 1,769
65-74 years 1,565 15.5 ± 10.8 13.0 0.0 77.0 52 1,617
75-84 years 903 14.6 ± 11.4 11.7 0.0 80.0 52 955
85 years or older 93 13.1 ± 10.1 9.8 0.0 44.9 11 104
Gender of the participant vs Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,615 15.4 ± 10.9 13.0 0.0 87.4 189 5,804
Male 2,679 17.3 ± 11.6 14.9 0.0 87.4 86 2,765
Female 2,936 13.7 ± 10.0 11.4 0.0 77.6 103 3,039
Gender of the participant vs Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,602 14.8 ± 10.6 12.3 0.0 90.0 1,478 4,080
Male 1,194 16.5 ± 11.1 14.2 0.0 90.0 667 1,861
Female 1,408 13.3 ± 9.8 10.6 0.0 84.8 811 2,219
Race of the participant vs Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,615 15.4 ± 10.9 13.0 0.0 87.4 189 5,804
White 4,767 15.6 ± 11.0 13.1 0.0 87.4 140 4,907
Black 468 15.1 ± 11.1 12.9 0.0 80.0 47 515
Other 380 14.3 ± 10.1 12.0 0.0 65.5 2 382
Race of the participant vs Arousal Index (REM): Arousals per hour of REM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,602 14.8 ± 10.6 12.3 0.0 90.0 1,478 4,080
White 2,273 14.8 ± 10.6 12.3 0.0 90.0 1,314 3,587
Black 170 14.7 ± 10.3 12.5 0.0 55.7 86 256
Other 159 14.4 ± 11.0 11.6 0.0 84.8 78 237