60% CPAP-group

100% CPAP-group

Number of patients

34

34

Age (years), mean (SD)

63.0 (10.5)

66.7 (10.4)

Male, n (%)

15 (44.1)

16 (47.1)

Height (cm), mean (SD)

159.4 (8.7)

160.2 (9.4)

Weight (kg), mean (SD)

57.0 (12.7)

59.0 (10.2)

ASA class, I/II/III, n

9/25/0

11/23/0

Never smoker, n (%)

16 (47.1)

16 (47.1)

FEV1/FVC (%), mean (SD)

75.2 (5.3)

74.4 (6.9)

FVC, % of the predicted, mean (SD)

108.1 (13.0)

112.5 (13.0)

Side of surgery, left/right, n (%)

15 (44.1)/19 (55.9)

22 (64.7)/12 (35.3)