Ratio of male, smoking and drink in soft plaque group was higher than that of instability plaque group(P<0.05).

且在软斑组长期烟酒史及男性比例高于稳定性斑块组（P<0.05）。

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Ratio of male, smoking and drink in soft plaque group was higher than that of instability plaque group(P<0.05).

且在软斑组长期烟酒史及男性比例高于稳定性斑块组（P<0.05）。

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