The results suggested that serum sPD‐1 levels on Day 3 (OR, 1.009; 95% CI, 1.001–1.018; p = .029) and the APACHE II score (OR, 1.281; 95% CI, 1.008–1.629; p = .043) were independent risk predictors of ICs in AP (Table 2). Here, HOXD13 is linked to alkaline phosphatase measurement.