Table 3.

Survival according to the type of tumor in the two groups

Type of tumor	paPD		sPD		P value
	Mean survival rate	Median survival	Mean survival rate	Median survival
Ductal adenocarcinoma of the pancreatic head	22 months (±15.57)	19 months	22 months (±16.50)	21 months	0.9570, NS
Adenocarcinoma of the ampulla	17.88 months (±11.67)	18 months	22.25 months (±10.40)	21 months	0.3711, NS
Adenocarcinoma of the distal common bile duct	17.33 months (±14.74)	12 months	19.40 months (±13.93)	17 months	0.9176, NS

NS not significant