Table 2 Primary and secondary outcomes: cannulation rate, adverse events rate and length of time to create a fistula and time to achieve biliary cannulation in the 3 groups.
From: Efficacy and safety of primary, early and late needle-knife fistulotomy for biliary access
Primary NKF n (%) | Early NKF n (%) | Late NKF n (%) | p | |
|---|---|---|---|---|
Biliary cannulation | ||||
Success in first ERCP | 118/121 (97.5%) | 90/99 (90.9%) | 103/110 (93.6%) | 0.083 |
Overall biliary cannulation | 121 (100%) | 94 (94.9%) | 108 (98.2%) | 0.115 |
Adverse events | ||||
Overall | 5 (4.1%) | 7 (7.1%) | 12 (10.9%) | 0.197 |
Pancreatitis | 3 (2.5%) | 4 (4.0%) | 9 (8.2%) | 0.190 |
Bleeding | 2 (21.7%) | 3 (3.0%) | 3 (2.7%) | 0.750 |
Time to begin NKF, Median (p25-75) | – | 3.6 (1.8–4.0) | 10.3 (10.0–16.7) | < 0.001*** |
NKF duration, Median (p25-75) | 4.0 (4.1–7.2) | 3.2 (2.5–4.5) | 5.6 (3.5–10.5) | < 0.001*** |
Time to cannulation,Median (p25-75) | 4.0 (4.01–7.1) | 8.1 (6.6–9.1) | 18.5 (13.2–26.8) | < 0.001*** |