Table 2 ERCP related adverse events and outcomes in study patients (n = 114)

Complete stone removal, n (%)

43(75.4%)

51(89.5%)

0.049

Procedure time (min), mean ± SD

34.28 ± 15.026^a

20.96 ± 12.353

37.21 ± 16.943

<0.001

Hospital stay (days), mean ± SD

11.86 ± 3.912

9.77 ± 2.79

9.37 ± 1.665

0.464^b

19.14 ± 3.176

<0.001^c

Cannulation techniques, n (%)

 Standard method

47 (82.5%)

44 (77.2%)

57 (100%)

<0.001

 Double-wire method

7 (12.3%)

9 (15.8%)

0

 Precut technique

3 (5.3%)

4 (7.0%)

0

Therapeutic procedure, n (%)

 EST

45(78.9%)

39(68.4%)

41(71.9%)

0.435

 EST + EPLBD

12(21.1%)

13(22.8%)

0.821

 Stone extraction with balloon

2(3.5%)

2(3.5%)

0.838

 Stone extraction with basket

34(59.5%)

30(52.6%)

 Stone extraction with balloon + basket

6(10.5%)

10(17.5%)

 Stone extraction with basket + ML

11(19.3%)

12(21.1%)

 Stone extraction with balloon + basket + ML

4(7.0%)

3(5.3%)

 Biliary stent placement

14 (24.6%)

57 (100%)

6 (10.5%)

<0.001

ERCP-related adverse events, n(%)

17/57(29.8%)

14/114(12.3%)

0.005

14/57(24.6%)

0.528

 Post-ERCP pancreatitis

8/57(14.0%)

8/114(7.0%)

0.137

 Bleeding

1/57(1.8%)

2/114(1.8%)

1.000

 Perforation

0

0

NA

 Cholangitis/Cholecystitis

4/57(7.0%)

1/114(0.9%)

0.029

 Pneumonia

3/57(5.3%)

3/114(2.6%)

0.392

 Cardio-cerebrovascular events

1/57(1.8%)

0

0.137