Results
42 participants had a mean (SD) age of 50.4 (11.1) years, 33 (78.6%) were female and they had a median (IQR) BMI of 52 (40–58.5) kg/mThe bias (95% CI, 95% LOA) at baseline was −1.00 mmHg (−2.47 to 0.47, −8.10 to 6.80), at T0 was 1.10 mmHg (−1.52 to 3.72, −6.10 to 11.30), and at Tend was 1.90 mmHg (−2.64 to 6.44, −7.10 to 22.90). Figure Difference plot of PaCOPaCO