Maarten van Egmond

132 Chapter 6 Table 2. Continued Clavien-Dindo postoperative complications, n (%) No complications 2 (13) 11 (37) Grade 1 2 (13) 4 (13) Grade 2 2 (13) 7 (23) Grade 3a 3 (20) 4 (13) Grade 3b 2 (13) 1 (3) Grade 4a 4 (27) 2 (7) Grade 4b 0 (0) 1 (3) Grade 5 0 (0) 0 (0) a ASA: American Society of Anesthesiologists. b I: healthy person. c II: mild systemic disease. d III: severe systemic disease. e BMI: BMI is calculated as weight in kilograms divided by height in meters squared. f COPD: chronic obstructive pulmonary disease. g DM II: diabetes mellitus type 2. h FVC: functional vital capacity. i FEV1: forced expiratory volume in the first second of expiration. j IVC: inspiratory vital capacity.