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Comparison of surgical results between the two groups (x̄±s).
| Group (n) | Surgical duration (min) | Functional recovery time (d) | Hospital stay (d) |
|---|---|---|---|
| Observation (31) | 50.2±8.5 | 21.7±5.2 | 4.1±1.8 |
| Control (37) | 66.5±7.3 | 25.8±6.4 | 5.6±2.1 |
| t | -7.142 | -2.385 | -2.610 |
| P | 0.000 | 0.027 | 0.012 |
