Table 2 Technique factors, and adverse events of needle knife pre-cut papillotomy.

From: Predictive factors of needle-knife pre-cut papillotomy failure in patients with difficult biliary cannulation

Variables

Total (n = 390)

NKP failure group (n = 95)

NKP success group (n = 295)

p-value

Endoscopists, n

0.024

A

186 (47.7%)

37 (38.9%)

149 (50.5%)

 

B + C

142 (36.4%)

35 (36.8%)

107 (36.3%)

 

D + E

62 (15.9%)

23 (24.2%)

39 (13.2%)

 

Bleeding during NKP, n

47 (12.1%)

37 (38.9%)

10 (3.4%)

 < 0.001

P-duct stent

39 (10%)

8 (8.4%)

31 (10.5%)

0.694

Early pre-cut

96 (24.6%)

21 (22.1%)

75 (25.4%)

0.514

Overall adverse events, n

27(6.9%)

4 (4.2%)

23 (7.8%)

0.496

Perforation

2 (0.5%)

1 (1.1%)

1 (0.3%)

0.397

Pancreatitis

4 (1.0%)

1 (1.1%)

3 (1.0%)

0.976

Delayed bleeding

13 (3.3%)

1 (1.1%)

12 (4.1%)

0.154

Cholangitis

8 (2.1%)

1 (1.1%)

7 (2.4%)

0.430

  1. NKP needle-knife pre-cut papillotomy, P-duct pancreatic duct.