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Improvement of clinical symptoms.
| Groups | PTED group (n=50) | MED group (n=58) | χ2 | P-value |
|---|---|---|---|---|
| Excellent | 29 (58.00) | 25 (43.10) | 2.383 | 0.123 |
| Good | 16 (32.00) | 25 (43.10) | 1.406 | 0.236 |
| General | 4 (8.00) | 6 (10.34) | 0.176 | 0.675 |
| Bad | 1 (2.00) | 2 (3.45) | 0.209 | 0.648 |
| Satisfactory rate | 90.00% | 86.21% | 0.365 | 0.546 |
