Endoscopic papillary large balloon dilatation with sphincterotomy is safe and effective for biliary stone removal independent of timing and size of sphincterotomy

Table 1 Clinical characteristics by common bile duct clearance at the index endoscopic retrograde cholangiopancreatography n (%)

Variables	Group A (n = 166)	Group B (n = 63)	P value
Mean age	68.4 ± 14.3	68.4 ± 14.1	0.93
Sex (M: F)	70:96	17:46	0.046
HTN	65 (39.2)	26 (41.3)	0.88
IHD	19 (11.4)	7 (11.1)	0.87
DM	14 (8.4)	4 (6.3)	0.80
CLD	1 (0.6)	None	0.60
COPD	16 (9.6)	5 (7.9)	0.89
CKD	7 (4.2)	2 (3.2)	0.98