ALB and pancreatic ductal adenocarcinoma: According to the univariate analysis, as indicated in Table 2, BMI ≥ 24 kg/m2, WBC > 10 × 109/L, albumin < 35 g/L, triglyceride ≥ 1.7 mmol/L, intraoperative bleeding ≥ 400 mL, pancreatic duct ≤ 3 mm and pathological diagnosis except pancreatic ductal adenocarcinoma (PDAC) or pancreatitis were significantly associated with POPF (P < 0.05).