Diagnostic accuracy of notified cases as pulmonary tuberculosis in private sectors of Korea.

The diagnostic accuracy of the data reported in the Korean tuberculosis surveillance system (KTBS) has not been adequately investigated. We reviewed the clinical data of pulmonary tuberculosis (PTB) cases notified from private medical facilities through KTBS between January and June, 2004. PTB cases were classified into definite (culture-proven), probable (based on smear, polymerase chain reaction, histology, bronchoscopic finding, computed tomography, or both chest radiograph and symptoms) or possible (based only on chest radiograph) tuberculosis.

The incidence of tuberculosis after a measles outbreak.

Among 53,974 cases of measles that occurred during the 2000-2001 outbreak in Korea, the incidence of tuberculosis following measles was 47 cases per 214,949.6 person-years, which was significantly lower than that in the general population (standardized incidence ratio, 0.73; 95% confidence interval, 0.