Objective To explore the characteristics of mycobacterium dependend antituberculous drug. Methods 137 strains of mycobacterium were tested for resistance by the absolute concentration method on Lowenstein Jensen medium. Dependent positive were the coloun that on higher concentration drug medium stronger than lower concentration than controls. Results 12(8.76%) of the 130 strains M. tuberculosis and 7 strains nontuberculous mycuberculous (NTM) were found dependent, in which strains dependend on INH, RFP and SM were 3(2.19%), 10(7.3%) and 3(2.19%) respectively, 4(2.92%) were dependend on two drugs. Conclusions Were NTM dependent, Not found all detected from multiple strains.
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