pnn50 sdann
Name
rmssd
Label
Square root of the mean of the squares of difference between adjacent NN intervals
Units
milliseconds
Type
numeric
SHHS Visit Number vs Square root of the mean of the squares of difference between adjacent NN intervals
N Mean StdDev Median Min Max Unknown Total
Visit 1 42,920 35.3 ± 28.7 27.5 4.4 306.3 - 42,920
Interim Follow-up Visit - - - - - - - -
Visit 2 44,578 34.1 ± 29.6 26.0 3.1 475.1 4 44,582
CVD Outcomes - - - - - - - -