Figure 3. Differences in age (A), BMI (B), lowest saturation (C), average saturation (D), and time spent under 89% saturation (E) between the OSA severity groups.

ns P > 0.05, * P ≤ 0.05, ** P ≤ 0.01, *** P ≤ 0.001, **** P ≤ 0.0001; BMI: body mass index