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Operative indexes for both groups.
| Operative index | Ropivacaine group | Control group | P value |
|---|---|---|---|
| Operative duration (min) | 121 ± 24 | 117 ± 19 | 0.46 |
| Intraoperative blood loss volume (ml) | 295.2 ± 75.1 | 310.6 ± 80.2 | 0.42 |
| Incision length (cm) | 14.6 ± 1.2 | 14.2 ± 1.1 | 0.25 |
