Table 1: Descriptive data of the study group ().

Male/female, % Age, year NYHA I-IIIA/IIIB-IV/missing, % BMI kg/m2 BMI > 25 kg/m2, % 61 Smoker/former smoker/never smoked, % Airflow obstruction, % 13 Diabetes, % 18 CABG/valve surgery % Anaesthesia time, h Operation time, h Time in the ICU, h

Data are presented in mean ± SD or %. BMI: body mass index, CABG: coronary artery bypass grafting, ICU: intensive care unit, NYHA: New York Heart Association. Airflow obstruction: defined as FEV1/(F)VC < 70%, valve surgery: aorta, mitralis, or tricuspidalis valve surgery.