对照组股骨头供血动脉发育异常5例5支，两组比较有显著性差异（P<0.05）。

The artery variation of femoral head in control group was 5 cases, 5 arteries. There was remarkable by significant difference between the two groups (P<0.05).

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对照组股骨头供血动脉发育异常5例5支，两组比较有显著性差异（P<0.05）。

The artery variation of femoral head in control group was 5 cases, 5 arteries. There was remarkable by significant difference between the two groups (P<0.05).

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