ALB and decubitus ulcer: In Taiwan, one study on elective surgical patient revealed that the incidence of the perioperative pressure ulcer in surgical patients was 7.0%, and the significant factors associated with pressure ulcer development were age, preoperative chronic cerebral arterial disease, preoperative BMI, total protein level, albumin level, Braden scale scores, operative time, body temperature, and intraoperative blood pressure [12].