Effect of endoscopic sphincterotomy and endoscopic papillary balloon dilation endoscopic retrograde cholangiopancreatographies on the sphincter of Oddi

Table 1 Comparison of clinical data between the two groups, n (%)

Group	EST group (n = 24)	EPBD group (n = 67)
Gender
Man	8 (33.33)	35 (52.24)
Woman	16 (66.67)	32 (47.76)
Age (yr)
< 60	22 (91.67)	33 (49.25)
≥ 60	2 (8.33)	34 (50.75)
History of hypertension	13 (54.17)	33 (49.25)a
History of diabetes	16 (66.67)	35 (52.34)a
History of choledocholithiasis	18 (75.00)	36 (53.73)
History of pancreatitis	19 (79.17)	28 (41.79)
Hyperbilirubin	13 (54.17)	34 (50.75)
Small diameter of common bile duct	11 (45.83)	31 (46.27)
Ampullary diverticulum	10 (41.67)	30 (44.78)
Oddi sphincter dysfunction	20 (83.33)	21 (31.34)a

^aP < 0.05 was considered statistically significant.

EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon.