Covariations between lithotripsy, bile duct diameter, and stone diameter
| Bile duct diameter | Stone diameter | |||
|---|---|---|---|---|
| <11 mm | ≥11 mm | <11 mm | ≥11 mm | |
| *Fisher's exact test | ||||
| †χ2 test with Yates' correction. | ||||
| Lithotripsy | ||||
| No | 134 | 621 | 488 | 237 |
| Yes | 5 | 181 | 30 | 157 |
| p<0.0001* | p<0.0001† | |||