Fig. 1From: Effects of intraoperative fluid balance during pancreatoduodenectomy on postoperative pancreatic fistula: an observational cohort studyPatient enrollment flowchart. fluid balance: Q1 ≤ -1.62, -1.61 < Q2 ≤ 0.80, -0.79 < Q3 ≤ 0.02, Q4 ≥ 0.03 mL/kg/hBack to article page