Relapse rate of tuberculosis and related factors in Korea; by using the nationwide tuberculosis notification data

초록

Background: The relapse rate of tuberculosis(TB) was one of the indicators that assess indirectly the level of TB control. In Korea propotion of relapse TB was reported in about 12%. Aims: To estimate the relapse rate of TB and investigate the related factors with relapse of TB by using the nationwide TB notification data in Korea. Materials and Methods: Data source was the nationwide TB notification data in 2005. For them to check that TB patients had been reported again from 2006 to 2010. Related factors were analyzed by using multivariate logistic regression. Results: Of 45,434 TB patients in 2005, 4,371(9.6%) were reported with TB again and 564 were reported two or more. So the cumulative relapse cases were 5,072(11.2%). A relapse rate was 4.8% in 2006, 2.4% in 2007, 1.6% in 2008, 1.4% in 2009, and 1.0% in 2010.

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