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解放以来,北京市各级结核病防治机构,对中学生的结核病采取了有力的防治措施,取得了成效。一、中学生结核病流行情况结核病患病率1952年为5.4%,1962年为1.4%,1973年为0.2%,但1974年以来无明显下降趋势;结核病死亡率1949年为172/10万,1965年为4.3/10万,1973年为0.5/10万。二、中学生结核病的特点 1.中学生的结核病大部分为续发性肺结核(约占80%) 2.中学生的原发性肺结核可以直接进展
Since the liberation, TB control institutions at all levels in Beijing have taken effective preventive and control measures against tuberculosis among middle school students and have achieved remarkable results. First, the tuberculosis prevalence of high school students prevalence of tuberculosis was 5.4% in 1952, 1.4% in 1962, 0.2% in 1973, but no significant downward trend since 1974; tuberculosis death rate in 1972 was 172/10 million in 1965 4.3 / 100,000, in 1973 0.5 / 100,000. Second, the characteristics of tuberculosis in secondary school students 1. Tuberculosis in secondary school students for the most part of persistent tuberculosis (about 80%) 2. Secondary pulmonary tuberculosis can be directly advanced