The ankle-brachial index after operation was significantly higher than that before operation(P<0.001).

术后踝肱指数较术前明显提高，差异具有显著性统计学意义（P<0.001）。

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The ankle-brachial index after operation was significantly higher than that before operation(P<0.001).

术后踝肱指数较术前明显提高，差异具有显著性统计学意义（P<0.001）。

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