Table 6 Results of a multiple regression model to evaluate predictors of cannulation time
| Coef | p | 95% CI | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Sex | 1.326 | 0.208 | − 0.742 | 3.394 |
| Age | 0.031 | 0.234 | − 0.020 | 0.082 |
| Viana classification | ||||
| I | 8.266 | 0.000* | 4.077 | 12.453 |
| IIa | 0 | |||
| IIb | 3.593 | 0.005* | 1.114 | 6.071 |
| IIc | 1.237 | 0.466 | − 2.100 | 4.573 |
| IIIa | 2.235 | 0.327 | − 2.245 | 6.715 |
| IIIb | 1.157 | 0.468 | − 1.979 | 4.294 |
| IV | 8.331 | 0.072 | − 0.747 | 17.411 |
| Biliary stenosis | 2.591 | 0.063 | 1.960 | 3.220 |
| CBD diameter | − 0.143 | 0.319 | − 0.426 | 0.139 |