Fig. 2.

Modified Rankin Scale scores distribution in the two subgroups. Numbers in the histograms indicate the percentage of patients for each mRS score. Abbreviations: DLR − patients without delirium, DLR + patients with delirium. Scores range from 0 to 6, with 0 indicating no symptoms, 1 some symptoms, but no significant disability, 2 slight disability (patient is able to look after own affairs without assistance but is unable to carry out all previous activities), 3 moderate disability (patient requires some help but is able to walk unassisted), 4 moderately severe disability (patient is unable to attend to own bodily needs without assistance and unable to walk unassisted), 5 severe disability (patient bedridden, requires constant nursing care and attention), and 6 death