这些估算结果与模型输出一致，其中具体的偏倚情况视不同的艾滋病毒病毒感染程度和阶段以及死亡率背景而有所不同。
These estimates were in agreement with the output from the model, in which the bias varied according to the magnitude and stage of the epidemic of HIV infection and background mortality rates.
开普敦Metro地区的人口估计数字被用来计算每10万人中具体到各个年龄的死亡率，然后将这些数据作为年龄死亡率标准与分区的相应数据进行对比。
Population estimates for the Cape Town Metro district were used to calculate age-specific rates per 100 000 population, which were then age-standardized and compared across subdistricts.
背景-美国冠心病的死亡率呈下降趋势，但具体的原因还不清楚。
Background - Death rates for coronary heart disease have been declining in the United States, but the reasons for this decline are not clear.
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