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Table 2 Performance of the BACTEC MGIT 960 system when compared to the agar proportion method

From: Comparison between the BACTEC MGIT 960 system and the agar proportion method for susceptibility testing of multidrug resistant tuberculosis strains in a high burden setting of South Africa

Drug

No of isolates

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

κ -Value

STR

343

95

37

53

91

0.29

EMB

343

92

37

18

96

0.11

OFX

205

84

90

18

99

0.282

KAN

205

27

97

55

92

0.314

  1. STR = Streptomycin, EMB = Ethambutol, OFX = Ofloxacin, KAN = Kanamycin.
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BMC Infectious Diseases

ISSN: 1471-2334

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