Impact of periampullary diverticulum on the incidence of post-endoscopic retrograde cholangiography pancreatitis

Table 1 Baseline characteristics of the study participants, mean ± SD/n (%)

Variable	Total (n = 615)	Absence of diverticulum (n = 432)	Presence of diverticulum (n = 183)	Statistical value (t/χ2)	P value
Sex				1.298	0.255
Male	311 (50.6)	212 (49.1)	99 (54.1)
Female	304 (49.4)	220 (50.9)	84 (45.9)
Age	63.8 ± 15.4	61.6 ± 15.9	69.0 ± 12.8	-6.082	< 0.001
Hypertension				0.942	0.332
No	341 (55.4)	245 (56.7)	96 (52.5)
Yes	274 (44.6)	187 (43.3)	87 (47.5)
Diabetes				0.576	0.448
No	518 (84.2)	367 (85.0)	151 (82.5)
Yes	97 (15.8)	65 (15.0)	32 (17.5)
Coronary heart disease				0.777	0.378
No	526 (85.5)	373 (86.3)	153 (83.6)
Yes	89 (14.5)	59 (13.7)	30 (16.4)
Hepatitis				0.766	0.382
No	573 (93.2)	405 (93.8)	168 (91.8)
Yes	42 (6.8)	27 (6.2)	15 (8.2)
History of cholecystectomy				0.999	0.317
No	486 (79.0)	346 (80.1)	140 (76.5)
Yes	129 (21.0)	86 (19.9)	43 (23.5)