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为了加强对老年菌阳肺结核患者的传染源及结核病的控制管理，对50例老年菌阳肺结核与同期住院的50例青年菌阳肺结核患者作对照分析。结果表明，老年肺结核病程长，传播结核菌机会多；临床表现不典型，合并症多；5UPPD试验老年组阴性率为37．5％；老年组初治菌阳复治菌阳患者抗痨治疗1～3月痰菌阴转率均为80％，与对照组相比无显著性差异（P＞0．05）。说明积极发现、治疗老年菌阳患者可以达到与对照组同样的治疗效果，亦是有效的控制传染源的方法之一。
In order to strengthen the control of the source of infectious bronchitis and tuberculosis in elderly patients with positive pulmonary tuberculosis, 50 cases of positive pulmonary tuberculosis and 50 young patients with positive pulmonary tuberculosis in hospital were analyzed comparatively. The results showed that the long course of tuberculosis in the elderly, the chance of transmitting Mycobacterium tuberculosis; atypical clinical manifestations, complications and more; 5UPPD test the elderly negative rate was 37.5%; ~ 3 months sputum negative conversion rate was 80%, compared with the control group no significant difference (P> 0.05). The positive findings indicate that treatment of elderly patients with positive yang can achieve the same treatment effect as the control group and is also an effective way to control the source of infection.