Table 1

Baseline clinical characteristics of the patients
LBD alone EST plus LBD P value
(n= 62) (n= 69)
Gender (male/female) 23/39 33/36 0.215
Age (years) 70.4 ± 10.9 68.2 ± 10.5 0.902
Periampullary 33 (53.2) 38 (55.1) 0.832
diverticulum, no. (%)
Cholecystectomy, no. (%) 16 (25.8) 18 (26.1) 0.971
Bile duct stones
 Size (mm)a 15.7 ± 3.3 16.5 ± 4.2 0.182
 Number 2.3 ± 1.6 2.8 ± 1.8 0.109
Bile duct size (mm)b 20.5 ± 4.4 21.4 ± 4.6 0.996

LBD: Large-balloon dilation; EST: Endoscopic sphincterotomy.

Continuous variables are expressed as mean ± standard deviation.

a Maximum transverse diameter of the largest stone.

b Maximum transverse diameter of the bile duct proximal to the tapered segment of the distal common bile duct.

Hwang et al.

Hwang et al. BMC Gastroenterology 2013 13:15   doi:10.1186/1471-230X-13-15

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