Fig. 1

Intraoperative maximum and minimum blood pressure. Each column represents a median (with interquartile range) for intraoperative maximum and minimum blood pressure values for systolic blood pressure (SBP) (left) and mean arterial pressure (MAP) (right) separately for the group of patients without POD (Non-POD) and the patients with POD (POD); p-values corresponding to testing for differences with Wilcoxon signed rank test; significant p-values are bold