Table 1– Anthropomorphic and sleep-study data of patients
AHI events·h−130.8±24.8 (6-–94)
Age yrs46.5±11.1 (29–70)
BMI kg·m−229.5±3.5 (24–36)
Apnoeas %35.4±29.7 (2–90)
Lowest Sa,O2 %83.1±7.5 (66–91)
Pcrit# cmH2O0.97±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.