Abstract:SETTING: The Korea National Health and Nutrition Examination Survey is a national, population-based, cross-sectional surveillance programme.OBJECTIVE: 1) To investigate the prevalence of spontaneously healed pulmonary tuberculosis (SHPTB) on chest radiographs (CXRs)
in South Korea, as well as its demographic and clinical associations, and 2) to determine the relationship between SHPTB and smoking.DESIGN: People with normal findings on CXRs (n = 24 190) and those with SHPTB (n = 1863) were compared in univaria… Show more
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