Less than 400 cardiac events (2.2%) and under 450 total deaths (2.5%) were experienced in this extremely large study group.

在这么一个非常大的研究人群中，只有不到400例心脏事件(2.2%)和少于450总死亡例数(2.5%)发生。

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Total incidence of major adverse cardiac events in hypokalemia group(23.8%) was higher than that in normal potassium group(15.8%).

低血钾组总的严重不良事件发生率（23.8%）明显高于正常血钾组（15.8%）。

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Total incidence of major adverse cardiac events in hypokalemia group(23.8%) was higher than that in normal potassium group(15.8%).

低血钾组总的严重不良事件发生率（23.8%）明显高于正常血钾组（15.8%）。

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