Name
sdnn
Label
Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals
Units
seconds (s)
Type
numeric
Visit Number vs Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals
N Mean StdDev Median Min Max Unknown Total
Baseline 45,072 0.08 ± 0.04 0.08 0.005 0.5 - 45,072
Follow-up 40,073 0.08 ± 0.04 0.07 0.004 0.3 - 40,073