Histogram

Sleep Heart Health Study (SHHS) Visit Number vs Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >50 ms
N Mean StdDev Median Min Max Unknown Total
Visit 1 42,920 11.9 ± 14.9 5.7 0.0 93.8 - 42,920
Interim Follow-up Visit - - - - - - - -
Visit 2 44,578 11.1 ± 14.7 4.6 0.0 98.3 - 44,578
CVD Outcomes - - - - - - - -