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Table 1 MIC distributions and intra laboratory variations for isoniazid (INH), amikacin (AMK) and ofloxacin (OFL)

From: A 24-well plate assay for simultaneous testing of first and second line drugs against Mycobacterium tuberculosis in a high endemic setting

Test batch MIC (μg/ml) for H37Rv MIC (μg/ml) for the QC MDR strain
  INH AMK OFL INH AMK OFL
01 0.125 0.5 0.5 ND ND ND
02 0.125 0.5 0.5 ND ND ND
03 0.125 0.5 0.5 1.0 1.0 1.0
04 0.125 0.5 0.5 >1.0 1.0 1.0
05 0.125 0.5 1.0 >1.0 1.0 1.0
06 0.125 0.5 1.0 >1.0 1.0 1.0
07 0.125 0.5 1.0 >1.0 1.0 1.0
08 0.125 0.5 0.5 >1.0 1.0 1.0
09 0.125 0.5 0.5 >1.0 1.0 1.0
10 0.2 0.5 0.5 >1.0 1.0 1.0
11 0.2 0.5 0.5 >1.0 1.0 1.0
12 0.125 0.5 0.5 >1.0 1.0 1.0
13 0.125 0.5 0.5 >1.0 1.0 1.0
  1. (ND, no data; QC = Quality control).