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两组病例术前一般情况
Preoperative characteristics of the patients in the two groups
| Group | n | Gender (male/famale) | Age (year) | Preoperation KSS score | Postoperatiopn KSS score |
| Guide plate | 20 | 6/11 | 66±11 | 26.27±2.16 | 34.52±4.64 |
| Tradition surgery | 18 | 6/10 | 67±10 | 26.44±3.01 | 33.18±3.82 |
| P | >0.05 | >0.05 | >0.05 | >0.05 |
