Association Between Postoperative Day 7 Hypoalbuminemia and Mortality After Surgery: A Single-Center Retrospective Landmark Cohort Study
Background/Objectives: We evaluated postoperative day 7 serum albumin for its association with mortality after surgery and whether it varied by frailty or surgical urgency. Methods: This single-center landmark cohort study was conducted at an 817-bed tertiary hospital (April 2018–March 2025). Follow-up began on day 7 t...