表 3. Comparison of positive margin rates after matching.
匹配后切缘阳性率比较
| Group | n | Positive margin rate/case (%) |
Negative margin rate/case (%) |
Chi-square value | P |
| Experimental | 56 | 2 (3.571) | 54 (96. 429) | 0.176 | 0.675 |
| Control | 56 | 4 (7.413) | 52 (92.857) |
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