组别 | 术前 | 术后6月 | t值 | P值 |
观察组(cm) | 5.72 ± 0.67 | 4.77 ± 0.51 | 13.942 | <0.01 |
对照组(cm) | 5.80 ± 0.62 | 5.25 ± 0.52 | 11.483 | <0.01 |
t值 | 0.529 | 4.160 |
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P值 | 0.598 | <0.01 |
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