Name
rmssd_fn5
Label
Square root of the mean of the squares of differences between adjacent NN intervals
Units
milliseconds
Type
numeric
MESA Exam Number vs Square root of the mean of the squares of differences between adjacent NN intervals
N Mean StdDev Median Min Max Unknown Total
Exam 5 1,971 43.8 ± 40.4 34.2 6.8 677.4 266 2,237
Participant Age at MESA Sleep Visit vs Square root of the mean of the squares of differences between adjacent NN intervals
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 43.8 ± 40.4 34.2 6.8 677.4 266 2,237
54.0 to 62.0 years 507 38.9 ± 21.6 34.2 8.8 240.9 53 560
62.0 to 69.0 years 522 39.5 ± 29.3 33.1 6.8 388.6 37 559
69.0 to 77.0 years 490 42.3 ± 35.6 33.7 7.3 333.0 69 559
77.0 to 95.0 years 452 56.0 ± 63.5 37.1 8.7 677.4 107 559
Gender vs Square root of the mean of the squares of differences between adjacent NN intervals
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 43.8 ± 40.4 34.2 6.8 677.4 266 2,237
Female 1,062 41.8 ± 37.8 33.3 7.3 677.4 136 1,198
Male 909 46.3 ± 43.0 35.5 6.8 388.6 130 1,039
Race/ethnicity vs Square root of the mean of the squares of differences between adjacent NN intervals
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 1,971 43.8 ± 40.4 34.2 6.8 677.4 266 2,237
White, Caucasian 712 42.8 ± 45.6 32.6 7.3 677.4 118 830
Chinese American 237 38.9 ± 28.7 32.5 9.3 240.9 28 265
Black, African-American 551 48.6 ± 43.7 35.7 6.8 467.6 65 616
Hispanic 471 42.5 ± 31.4 35.9 8.7 347.4 55 526