| Group | Cases | Stone formation | χ2 | P | ||
| No stones | With stones | Effective (%) | ||||
| Blank control group | 10 | 10 | 0 | 100 | 25.916 | 0.000 |
| Model group | 10 | 0 | 10 | 0* | ||
| Ursodeoxycholic acid group | 10 | 8 | 2 | 80 | ||
| TCM group | 10 | 8 | 2 | 80 | ||