The infarct size was smaller in the i. v. infusion group than the control but has no statistical significance.
第二组心肌梗塞面积小于对照组，但无统计学意义。第一组冠状静脉血内皮素水平较其他两组低。
The results were almost the same in the four counties. The gender structure difference has no statistical significance.
四个调查县情况基本与此都一致，性别构成差别没有统计学意义。
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