Fig. 3
Receiver operating characteristic curves for the combination of PNIP3-P1 ratio and serum amylase level on POD 1 (a), drain amylase level on POD 1 (b), and serum CRP level on POD 3 (c) for prediction of clinically relevant postoperative pancreatic fistula in patients who underwent pancreaticoduodenectomy. PNI, prognostic nutritional index; POD, postoperative day; CRP, C-reactive protein; AUC, area under the curve