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The postoperative ultrasound evaluations between rehabilitation treatment group and routine treatment group at different time points.
| Groups | Time | Excellent | Great | Good | Poor |
|---|---|---|---|---|---|
| Rehabilitation treatment group (n=21) | 1 week | 0 | 0 | 0 | 21 |
| 3 weeks | 0 | 0 | 1 | 20 | |
| 6 weeks | 0 | 2 | 7 | 12 | |
| 9 weeks | 2 | 7 | 9 | 3 | |
| 3 months | 9 | 11 | 1 | 0 | |
| 6 months | 17 | 4 | 0 | 0 | |
| 1 year | 20 | 1 | 0 | 0 | |
| Routine treatment group (n=21) | 1 week | 0 | 0 | 0 | 21 |
| 3 weeks | 0 | 0 | 0 | 21 | |
| 6 weeks | 0 | 1 | 5 | 15 | |
| 9 weeks | 1 | 3 | 11 | 6 | |
| 3 months | 5 | 13 | 3 | 0 | |
| 6 months | 9 | 10 | 1 | 0 | |
| 1 year | 17 | 4 | 0 | 0 |
