pnn50_5m5 sdnn_5m5
Name
rmssd_5m5
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 1,966 38.6 ± 39.0 28.8 6.2 668.6 271 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 1,966 38.6 ± 39.0 28.8 6.2 668.6 271 2,237
54.0 to 62.0 years 505 34.2 ± 18.5 29.6 8.3 129.0 55 560
62.0 to 69.0 years 522 34.9 ± 28.9 28.3 6.2 393.4 37 559
69.0 to 77.0 years 490 37.6 ± 35.2 27.6 6.9 343.0 69 559
77.0 to 95.0 years 449 49.0 ± 61.9 30.0 7.9 668.6 110 559
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 1,966 38.6 ± 39.0 28.8 6.2 668.6 271 2,237
Female 1,059 36.5 ± 36.5 27.6 6.2 668.6 139 1,198
Male 907 41.1 ± 41.7 30.4 6.7 393.4 132 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 1,966 38.6 ± 39.0 28.8 6.2 668.6 271 2,237
White, Caucasian 709 37.5 ± 44.2 27.4 6.2 668.6 121 830
Chinese American 236 33.5 ± 23.8 27.4 8.3 191.7 29 265
Black, African-American 550 43.4 ± 42.9 30.7 6.7 479.5 66 616
Hispanic 471 37.4 ± 30.9 29.7 7.9 341.9 55 526