Table 2.
Technique factors, and adverse events of needle knife pre-cut papillotomy.
| 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 |
NKP needle-knife pre-cut papillotomy, P-duct pancreatic duct.