Name
ai_rem5
Label
Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Description

Calculated

Units
number of events per hour
Type
numeric
MESA exam 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
Exam 5 2,013 17.7 ± 11.8 15.0 0.0 84.0 224 2,237
Participant Age at MESA Sleep Visit vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,013 17.7 ± 11.8 15.0 0.0 84.0 224 2,237
54.0 to 62.0 years 514 18.5 ± 11.9 15.5 0.0 80.8 46 560
62.0 to 69.0 years 520 19.6 ± 12.4 16.5 0.0 84.0 39 559
69.0 to 77.0 years 504 16.8 ± 11.3 14.6 0.0 61.4 55 559
77.0 to 95.0 years 475 15.7 ± 11.0 13.3 0.0 84.0 84 559
Gender of the participant vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,013 17.7 ± 11.8 15.0 0.0 84.0 224 2,237
Female 1,084 16.0 ± 11.0 13.3 0.0 84.0 114 1,198
Male 929 19.8 ± 12.2 17.3 0.0 84.0 110 1,039
Race/ethnicity of the participant vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,013 17.7 ± 11.8 15.0 0.0 84.0 224 2,237
White, Caucasian 732 17.4 ± 11.6 14.6 0.0 84.0 98 830
Chinese American 245 18.4 ± 11.5 16.2 0.0 57.8 20 265
Black, African-American 560 17.4 ± 12.6 14.2 0.0 84.0 56 616
Hispanic 476 18.2 ± 11.1 16.0 0.0 61.4 50 526