Characteristics of patients in the delirium and non-delirium groups.

a Data are shown as mean±standard deviation and were compared using the independent T test. b Data are shown as n (%) and were compared using the chi-square or fisher’s exact test. BMI, Body Mass Index; MELD score, the model of end-stage liver disease score; Pre-OP, pre-operative; ALT, Alanine aminotransferase; TB, Total bilirubin; Smoking and alcohol drinking: consumption of these substances for more than six months. Characteristics of patients in the delirium and non-delirium groups.