Kaplan-Meier eent rates were calculated for each eent and the composite outcome, and a Cox regression model was constructed for time to eent.是什么意思_Kaplan-Meier eent rates were calculated for each eent and the composite outcome, and a Cox regression model was constructed for time to eent.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句