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General clinical results in the group A and group B
| Items | Group A (65–74 years) | Group B (≥ 75 years) | P value |
|---|---|---|---|
| Operative time (min) | 78.42 ± 20.34 | 81.98 ± 21.86 | > 0.05 |
| Blood loss (ml) | 41.51 ± 10.06 | 45.79 ± 10.60 | > 0.05 |
| Postop. bed rest (h) | 4.9 ± 1.82 | 5.2 ± 1.73 | > 0.05 |
| Postop. hospital stay (days) | 2.7 ± 0.96 | 3.0 ± 0.87 | > 0.05 |
| Postop. complications and other events (n) | 1 | 2 | > 0.05 |
