Ann Clin Microbiol 2023;26:139-145. Comparative evaluation of critical concentrations for detecting borderline rifampin resistance in Mycobacterium tuberculosis
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Table 1. DST results from three institutes
Drugs (CCs)SMCSNUBHSCLTotal
SRSRSRSR
RIF (0.5 μg/mL)172514821,238311,55838
RIF (1.0 μg/mL)172514821,241281,56135
INH (0.1/0.2 μg/mL)15423139111,1451241,438158

Abbreviations: DST, drug susceptibility testing; CCs, critical concentrations; SMC, Samsung Medical Center; SNUBH, Seoul National University Bundang Hospital; SCL, Seoul Clinical Laboratories; RIF, rifampin; INH, isoniazid; S, susceptible; R, resistant