Partially covered vs uncovered sphincterotome and post-endoscopic sphincterotomy bleeding

Table 2 Baseline characteristics of patients

	Partially covered sphincterotome (n = 194)	Uncovered sphincterotome (n = 193)	P
Sex (M/F)	85/109	89/104	0.640
Age (mean ± SD) (yr)	69.93 ± 13.85	70.71 ± 13.75	0.590
Indications for ES			0.304
Choledocholithiasis	143	136	0.382
Pancreatic malignancy	20	26	0.356
Biliary malignancy	11	8	0.473
Papillary cancer	7	6	0.771
SOD	8	5	0.392
Bile leak	2	3	0.657
Metastatic lymphadenopathy	1	4	0.187
Others	2	5	0.255
Associated comorbid disease			0.561
Coronary artery disease	11	7	0.329
Hypertension	31	42	0.160
Diabetes	22	24	0.768
Heart failure	21	24	0.647
COPD	9	10	0.823
Renal failure	4	6	0.527
Renal failure in hemodialysis	2	-	0.155
Others	53	61	0.390

ES: Endoscopic sphincterotomy; SOD: Sphincter of Oddi dysfunction; COPD: Chronic obstructive pulmonary disease.