Fig. 3

Risk of major complication. Predictors of major complications (Clavien–Dindo grade ≥ IIIa). Results were derived from univariable, and multivariable logistic regression based of the imputed dataset including all 389 patients. The reference category is marked by an asterisk (*). ASA ASA physical status classification system, BMI body mass index, CA19-9 tumor marker carbohydrate antigen 19-9, CEA tumor marker carcinoembryonic antigen, CI confidence interval, IQR interquartile range, OR odds ratio