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一、日本乳癌死亡数及死亡率的变迁1983年全国乳癌死亡数女4417,男35人,乳癌占女性全部癌肿死亡7287人的6.1%。40多年来,日本乳癌死亡数及死亡率都增加,特别是1965年以后有显著增加的趋势。1963年全国乳癌死亡人数为1857人,而20年后1983年为4417人,增加2.4倍。在此期间,乳癌每10万人当中的大致死亡率,从3.8上升到7.3人,增加了1.9倍。即使补充修正年龄结构的变化,修正后死亡率也由3.1上升至4.5人,增加1.5倍。二、各年龄组乳癌发病、死亡数及发病、死亡率:
First, Japan, changes in the number of deaths and mortality of breast cancer in 1983 the number of 4417 breast cancer deaths in the country, 35 males, breast cancer accounted for all female cancer deaths 7287 of 6.1%. For more than 40 years, the number of deaths and the number of breast cancer in Japan have increased, especially after 1965. In 1963, the number of deaths from breast cancer in the country was 1,857, while in 1984 it was 4,417 in 1983, an increase of 2.4 times. During this period, the approximate mortality rate per 100,000 people of breast cancer rose from 3.8 to 7.3, a 1.9-fold increase. Even with the revision of changes in the age structure, the revised death rate rose from 3.1 to 4.5, an increase of 1.5 times. Second, the incidence of breast cancer in all age groups, the number of deaths and morbidity, mortality: