AHI events·h−1 | 30.8±24.8 (6-–94) |
Age yrs | 46.5±11.1 (29–70) |
BMI kg·m−2 | 29.5±3.5 (24–36) |
Apnoeas % | 35.4±29.7 (2–90) |
Lowest Sa,O2 % | 83.1±7.5 (66–91) |
Pcrit# cmH2O | 0.97±3.26 (-6.2–5.8) |
Data are presented as mean±sd (range). AHI: apnoea/hypopnoea index; BMI: body mass index; apnoeas %: apnoeas as a percentage of apnoeas and hypopnoeas; Sa,O2: arterial oxygen saturation; Pcrit: critical value of positive end-expiratory pressure; #: obtained during anaesthesia.