Table 2.
Results of surgical outcomes
| Stone removal | Clearance | Stones remain | Residual rate | |
|---|---|---|---|---|
| Control group (n=65) | 46 | 70.77% | 19 | 29.23% |
| Research group (n=81) | 69 | 85.19% | 12 | 14.81% |
| χ2 | 4.481 | |||
| P | 0.034 |
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