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. 2004 Sep;42(9):4204–4208. doi: 10.1128/JCM.42.9.4204-4208.2004

TABLE 3.

Summary of MB results

Group Phenotypic results
Sensitivity (%) Specificity (%) PPV (%) NPV (%)
No. resistant No. susceptible
INH
    Mutations detected 105 0 82.67 100 100 98.11a
    No mutations detected 22 69
RIF
    Mutations detected 79 0 97.53 100 100 99.95b
    No mutations detected 2 69
a

Calculated for a prevalence of 10% INH resistance.

b

Calculated for a prevalence of 2% RIF resistance.