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| Group | No. of cases | Operation time (min) | Blood loss (mL) |
|---|---|---|---|
| Control group | 40 | 364.5±10.84 | 364.8±77.39 |
| Experimental group | 40 | 288.9±11.14 | 135.3±20.12 |
| P values | <0.0001 | 0.0053 |
