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BMI and apnea severity.
| Normal: AHI < 5 events/h | Mild: AHI 5–14 events/h | Moderate: AHI 15–30 events/h | Severe: AHI > 30 events/h | P (Overall Test) | |
|---|---|---|---|---|---|
| Age, mean (SD), y | 52.4 (16.6) (n = 154) | 61.6 (14.4) (n = 134) | 64.4 (12.2) (n = 81) | 62.6 (13.6) (n = 64) | <.001 |
| BMI, mean (SD), kg/m2 | 30.2 (5.6) (n = 152) | 32.8 (6.8) (n = 132) | 32.9 (7.6) (n = 80) | 35.6 (6.8) (n = 64) | <.001 |
AHI = apnea-hypopnea index, BMI = body mass index, SD = standard deviation.
