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宣威县有20个公社近100万人口,1958年以前农业人口占96％,1975年后占93％。宣威县虽是以农业生产为主,但肺癌患病率和死亡率都很高,而且还具有一些流行病学特征。1973～1975年全县肺癌标化死亡率达26.23/10万,高于一般城市;有的高发公社肺癌死亡率高达150/10万以上,有的低发公社则为1/10万以下,相差200余倍;肺
There are 20 communes and nearly 1 million people in Xuanwei County. Before 1958, the agricultural population accounted for 96%, and 93% after 1975. Although Xuanwei County is dominated by agricultural production, the prevalence and death rate of lung cancer are high, but also have some epidemiological features. From 1973 to 1975, the county’s standardized death rate of lung cancer reached 26.23 / lakh, higher than that of the general cities. In some high-tech communes, the death rate of lung cancer was as high as 150 / 100,000 or more, while in some low-communes it was less than 1/100, 200 times more; lungs