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肿瘤死亡率常作为评价防治效果的指标之一。本文对1970～1988年四会县鼻咽癌死亡率及其标化死亡率的变动情况和有关因素进行比较分析,以便作出恰当的估价。
Tumor mortality is often used as one of the indicators for evaluating the control effect. This article compares and analyzes the changes in nasopharyngeal cancer mortality and its standardized mortality rates and related factors in Sihui County from 1970 to 1988 in order to make an appropriate assessment.