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Clinical assessment of the Greenough judgment of the clinical effect
| Group | n | Excellent | Good | Fair | Poor | Excellent-Good rate | P |
|---|---|---|---|---|---|---|---|
| Isobar TTL | 20 | 4 | 13 | 3 | 0 | 85.00% | 1 |
| Rigid | 21 | 2 | 13 | 5 | 1 | 71.40% |
P values are based on the χ2 test. P < 0.05 indicates a statistically significant difference
