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Comparison of the clinical efficacy in both groups [ n (%)]
| groups | number of cases | The effectual rate | The effective rate | The ineffective rate | The total effective rate (the effectual rate + the effective rate ) |
|---|---|---|---|---|---|
| ERCP | 35 | 12(34.3) | 15(42.3) | 8(28.6) | 22(76.6) |
| LCBDE | 35 | 16(45.7) | 18(51.4) | 1(2.9) | 29(97.1) |
| x2 | 4.70 | ||||
| P | <0.05 |
