Table 3.

Intraoperative findings and postoperative presentation n (%)

	EEN + PN (n = 87)	TPN (n = 253)	P value
Diameter of pancreatic duct (cm)	0.7 ± 0.1	0.6 ± 0.0	0.483
Diameter of bile duct (cm)	1.8 ± 0.1	1.7 ± 0.0	0.188
Tumor max-diameter (cm)	3.7 ± 0.3	3.7 ± 0.2	0.964
Retrocolic choledochojejunostomy	85 (97.7)	227 (89.7)	0.212
Combined vascular resection	2 (2.3)	10 (4.3)	0.738
Intraoperative bleeding volume (mL)	753 ± 47.2	681 ± 59.4	0.426
Intraoperative blood transfusion	15 (17.2)	69 (27.3)	0.063
Duration of surgery (min)	329.5 ± 53.7	335.1 ± 61.3	0.461
Nasogastric tube retention (d)	9 ± 0.2	5 ± 0.1	0.006
Hospital stay (d)	32 ± 2	27 ± 1	0.074
Postoperative hospital stay (d)	25 ± 2	20 ± 1	0.055
Total cost (US dollars)	10397.0 ± 861.2	8663.9 ± 239.2	0.008

EEN: Early postoperative enteral nutrition; PN: Parenteral nutrition; TPN: Total parenteral nutrition.