Methods to compare the principles and calculation methods of cumulative incidence rate, incidence density, and risk factors adjusted incidence density.

方法比较医院感染累积发病率、发病密度和危险因素调整的发病密度的计算原理。

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The cumulative mortality rate during follow-up was 8.1%, and the incidence of the composite end point of death or nonfatal (re -) MI was 13.7%.

随访中的累计死亡率是8.1%，死亡或非致死性心肌缺血等相反终止事件的发生率是13.7%。

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During this time, 256 women experienced 449 different fractures. The cumulative incidence of fracture after 20 years was 30.8%, compared with an expected rate of 30.6% for women of like age.

在这个时期，256名妇女经历了499次不同的骨折，在20年后比起预计同年龄段女性30.6的骨折的累计，它们的发生率为30.8%。

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