Name

sdann

Label

Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments

Units
milliseconds
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
N Mean StdDev Median Min Max Unknown Total
Visit 1 486 56.6 ± 23.0 52.4 16.0 215.3 - 486
Interim Follow-up Visit - - - - - - - -
Visit 2 493 54.6 ± 22.3 50.3 14.3 256.9 - 493
CVD Outcomes - - - - - - - -