Table 2.

Histological diagnosis of resected specimens and main surgical specific post-operative complications

	Overweight (n = 141)	Controls (n = 226)	P value
Histology
Ductal adenocarcinoma of the pancreas	42.5%	49.5%	0.2
Periampullary cancers	20.6%	17.4%	0.5
Cholangiocarcinoma	4.9%	3.9%	0.8
Cystic tumors	12.8%	10.6%	0.6
Neuroendocrine tumors	5.7%	5.8%	1.0
Chronic pancreatitis	3.6%	9.7%	0.03
Other tumor types	9.9%	3.1%	0.009
Surgical complications
Pancreatic fistula	20.0%	9.5%	0.006
Delayed gastric empting	14.2%	11.5%	0.5
Bile leakage	2.8%	1.7%	0.5
Abdominal bleeding	4.2%	4.4%	1.0
Gastro-intestinal bleeding	2.1%	2.6%	1.0
Wound infection	4.9%	2.6%	0.3