nsrr_ahi_hp3r_aasm07 nsrr_ahi_hp4r

Histogram

Visit Number vs Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 453 6.8 ± 5.8 4.6 0.2 32.4 - 453
Follow-up 407 4.1 ± 7.5 1.9 0.0 72.7 46 453