ALB and diabetic foot: <h4>Objective</h4>The study aimed to investigate the relationship between neutrophil percentage-to-albumin ratio (NPAR) and diabetic foot ulcer (DFU) in Chinese adults, further establish a clinical predictive model, and verify its effectiveness.<h4>Methods</h4>We retrospectively collected and analyzed clinical data from a total of 1,002 diabetic patients at Honghui Hospital of Xi'an Jiaotong University between January 2024 and January 2026.