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在日本,随着时间的推移,一些癌症的发病率在增加,一些癌症的发病率在减少。作者根据1966年至1983年大阪府癌症的发病情况,预测2000年日本全国各年龄组、各部位癌症的患病人数和发病率。方法:①将1966至1983年以每3年分成6个时间段,分别计算各时间段大阪府各性别、各年龄组、各部位的发病率。②计算大阪府与同期日本全国人口构成的各时间段、各性别、
In Japan, the incidence of some cancers has increased over time, and the incidence of some cancers has decreased. Based on the incidence of cancer in Osaka Prefecture from 1966 to 1983, the authors predict the number and incidence of cancer in all age groups and sites in Japan in 2000. Methods: 1 From 1966 to 1983, every three years were divided into six time periods, and the incidence rates of each sex, age group, and site in each time period were calculated. 2 Calculate the time period, gender, and composition of the Japanese population in Osaka Prefecture and Japan over the same period.