Histogram

Sleep Heart Health Study (SHHS) Visit Number vs Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,804 10.2 ± 13.6 5.2 0.0 154.3 - 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 11.7 ± 14.1 6.8 0.0 116.0 1,660 4,311
CVD Outcomes - - - - - - - -