Table 1.

Baseline characteristics of the patients in the two groups

	EBD	ES
n	103	99
Sex (M/F)	25/78	35/64
Age (y)*	60.8 (56.8–64.7)	61.9 (58.3–65.4)
Presenting with
Acute cholangitis	35 (34%)	35 (35.4%)
Acute pancreatitis	10 (9.7%)	10 (10.1%)

*Mean (95% confidence interval).

EBD, endoscopic balloon dilatation; ES, endoscopic sphincterotomy.