Name
sdnnidx_fn5
Label
Mean of the standard deviations of NN intervals in all 5-minute segments
Units
milliseconds
Type
numeric
MESA Exam Number vs Mean of the standard deviations of NN intervals in all 5-minute segments
N Mean StdDev Median Min Max Unknown Total
Exam 5 1,971 52.6 ± 29.4 46.5 10.9 372.6 266 2,237
Participant Age at MESA Sleep Visit vs Mean of the standard deviations of NN intervals in all 5-minute segments
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 52.6 ± 29.4 46.5 10.9 372.6 266 2,237
54.0 to 62.0 years 507 53.2 ± 21.4 48.6 15.4 227.7 53 560
62.0 to 69.0 years 522 51.9 ± 24.2 48.3 11.0 262.6 37 559
69.0 to 77.0 years 490 49.7 ± 27.2 43.8 10.9 239.3 69 559
77.0 to 95.0 years 452 55.8 ± 42.1 43.9 11.9 372.6 107 559
Gender vs Mean of the standard deviations of NN intervals in all 5-minute segments
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 52.6 ± 29.4 46.5 10.9 372.6 266 2,237
Female 1,062 47.8 ± 26.7 42.3 10.9 372.6 136 1,198
Male 909 58.1 ± 31.4 52.0 13.1 262.6 130 1,039
Race/ethnicity vs Mean of the standard deviations of NN intervals in all 5-minute segments
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 52.6 ± 29.4 46.5 10.9 372.6 266 2,237
White, Caucasian 712 53.1 ± 31.9 46.0 10.9 372.6 118 830
Chinese American 237 49.1 ± 24.7 45.7 13.1 227.7 28 265
Black, African-American 551 53.2 ± 31.6 46.9 12.0 300.2 65 616
Hispanic 471 52.7 ± 24.6 47.7 11.9 219.4 55 526