Table 6 Multivariate multilevel logistic regression analysis of predicting factors for overall deep biliary cannulation success rate
Variables | OR (95%CI) | p value |
|---|---|---|
Case-specific | ||
Trainee involvement | <0.0001 | |
0% | Reference | |
1-50% | 0.50 (0.38-0.66) | |
51-99% | 1.55 (1.05-2.27) | |
100% | 9.16 (4.18-20.05) | |
ERCP difficulty | 0.01 | |
1 | Reference | |
2 | 1.26 (0.99-1.59) | |
3 | 0.70 (0.51-0.97) | |
ASA grade | <0.0001 | |
I | Reference | |
II | 0.78 (0.59-1.02) | |
III-V | 0.52 (0.38-0.70) | |
Sedation level | 0.01 | |
Deep (with propofol)/General | Reference | |
Moderate/conscious | 0.67 (0.49-0.92) | |
Patient status at time of ERCP | 0.43 | |
Inpatient | Reference | |
Outpatient | 1.09 (0.88-1.35) | |
Indications | <0.0001 | |
Suspected or known stone | Reference | |
Obstructive Jaundice | 0.45 (0.35-0.57) | |
Chronic pain | 1.03 (0.63-1.70) | |
Abnormal liver tests | 0.71 (0.47-1.08) | |
Chronic pancreatitis | 0.63 (0.41-0.98) | |
Biliary post-surgical problem | 0.53 (0.35-0.79) | |
Clarify biliary image findings | 0.58 (0.35-0.96) | |
Pancreatitis (acute, active ) | 0.46 (0.29-0.71) | |
Tumor ablation | 1.28 (0.38-4.34) | |
Endoscopist-specific | ||
Country setting | 0.40 | |
US | Reference | |
UK | 0.71 (0.41-1.22) | |
Other | 0.78 (0.36-1.66) | |
Annual volume | 0.01 | |
≤90 | Reference | |
91-150 | 1.28 (0.72-2.29) | |
151-239 | 1.85 (0.95-3.60) | |
>239 | 2.79 (1.46-5.31) | |
Fluoroscopy time for grade 1 | 0.02 | |
>3 | Reference | |
≤3 | 1.72 (1.10-2.69) |