A novel prediction model of pancreatic fistula after pancreaticoduodenectomy using only preoperative markers

BMC Surgery

Table 2 Classification results for the training set

Predictive Marker		Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
PDAC training samples
	MPD index (cut-off 0.3)	87	81	50	97
	MPD index (cut-off 0.3), sarcopenia (+/-)	73	94	73	94
	MPD index (cut-off 0.3), PNI (cut-off 45)	87	81	50	97
	MPD index (cut-off 0.3), preoperative biliary drainage (+/-)	87	81	50	97
Non-PDAC training samples
	MPD index (cut-off 0.3)	78	63	65	72
	MPD index (cut-off 0.3), BMI (cut-off 25)	84	57	63	80
	BMI (cut-off 0.3), VFA (cut-off 100), MPD size (cut-off 3)	98	39	59	96
	MPD index (cut-off 0.3), age (cut-off 65), BMI (cut-off 25)	84	57	63	80
	MPD index (cut-off 0.3), sarcopenia (+/-), BMI (cut-off 25)	84	57	63	80

BMI, body mass index; MPD, main pancreatic duct; MPD index, MPD size/parenchymal thickness; NPV, negative predictive value; PDAC, pancreatic ductal adenocarcinoma; PNI, prognostic nutritional index; PPV, positive predictive value; VFA, visceral fat area.

ISSN: 1471-2482