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为了探讨随着年龄的增长呈升高趋势的规律性，我们用Logistic数学模型对恶性肿瘤死亡率的年龄分布进行拟合检验，现报告如下。l材料和方法癌症死亡病例资料系根据乡镇卫生院报县防疫站的死亡报告卡及死亡年报资料。病例均由县级以上医院诊断，I、！级诊断占gi．3％，K、IV级占8
In order to investigate the regularity of increasing trend with age, we use the Logistic mathematical model to test the age distribution of malignant tumor mortality. The report is as follows. l Materials and Methods Cancer deaths are based on death report cards and death year reports from county and county health stations. Cases are diagnosed by hospitals above the county level. I,! Diagnosis accounts for gi. 3%, K and IV accounts for 8