rmssd_fn5 sdnn_fn5
Name
sdann_fn5
Label
Standard deviation of the averages of NN intervals in all 5-minute segments
Units
milliseconds
Type
numeric
MESA Exam Number vs Standard deviation of the averages of NN intervals in all 5-minute segments
N Mean StdDev Median Min Max Unknown Total
Exam 5 1,971 61.4 ± 34.7 53.8 7.4 538.9 266 2,237
Participant Age at MESA Sleep Visit vs Standard deviation of the averages of NN intervals in all 5-minute segments
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 61.4 ± 34.7 53.8 7.4 538.9 266 2,237
54.0 to 62.0 years 507 61.2 ± 35.6 54.8 15.9 520.7 53 560
62.0 to 69.0 years 522 58.7 ± 29.0 52.3 11.8 264.6 37 559
69.0 to 77.0 years 490 62.1 ± 31.2 54.7 7.4 226.6 69 559
77.0 to 95.0 years 452 63.9 ± 42.3 54.1 10.3 538.9 107 559
Gender vs Standard deviation of the averages of NN intervals in all 5-minute segments
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 61.4 ± 34.7 53.8 7.4 538.9 266 2,237
Female 1,062 60.1 ± 32.8 53.5 10.3 538.9 136 1,198
Male 909 62.8 ± 36.7 54.2 7.4 520.7 130 1,039
Race/ethnicity vs Standard deviation of the averages of NN intervals in all 5-minute segments
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 61.4 ± 34.7 53.8 7.4 538.9 266 2,237
White, Caucasian 712 59.3 ± 32.4 52.9 7.4 538.9 118 830
Chinese American 237 63.9 ± 46.4 52.7 19.0 520.7 28 265
Black, African-American 551 64.3 ± 36.8 55.6 11.8 276.5 65 616
Hispanic 471 59.8 ± 27.5 53.5 10.3 216.7 55 526