Histogram

Sleep Heart Health Study (SHHS) Visit Number vs Systolic blood pressure
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,691 127.4 ± 19.3 125.0 52.0 214.0 113 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 - - - - - - 4,311 4,311
CVD Outcomes - - - - - - - -