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Comparison of patient self-evaluation Quartile Scale on Both Sides (Case (%), ± S))
| Group | Case | Mild improvement 0–25% (1 point) | Moderate improvement 25–50% (2 points) | Noticeable improvement 51–75% (3 points) | Significant improvement 70–100% (4 points) | Z value | p value |
|---|---|---|---|---|---|---|---|
| Control group | 12 | 3 | 8 | 1 | 0 | 6.500 | 0.261 |
| Experimental group | 12 | 1 | 5 | 4 | 2 |
