Table 2.

Characteristics and symptoms of patients with benign pancreatoduodenectomy

	AIP	Non-AIP	p value
No.	7	16
M:F ratio	6.0	2.2	0.62
Mean age years (±SD)	53 (±19.7)	54 (±7.9)	0.65
Diabetes (de novo)	5 (2) (71 %)	3 (2) (19 %)	0.03
History of chronic pancreatitis	0	2 (13 %)	1.00
Autoimmune disease	2 (29 %)	1 (6 %)	0.21
Smoking	5 (71 %)	9 (56 %)	0.66
Alcohol > 2 U daily	1 (14 %)	8 (50 %)	0.18
Jaundice	6 (86 %)	7 (44 %)	1.00
Mean weight loss kg (±SD)	2.7 (±5.6)	7.0 (±7.7)	0.21
Pain
None/mild	5 (71 %)	10 (63 %)	1.00
Moderate/severe	2 (29 %)	6 (37 %)	1.00

Fisher’s exact and unpaired t test

SD standard deviation