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Table 1 Sensitivity and Specificity of Capilia TB in comparison with in-house PCR

From: Evaluation of Capilia TB assay for rapid identification of Mycobacterium tuberculosis complex in BACTEC MGIT 960 and BACTEC 9120 blood cultures

  PCR
Capilia   Positive Negative Total
  Positive 127 2 129
  Negative 3 121 124
  Total 130 123 253
  1. Sensitivity (Se) = 98.4%; Specificity (Sp) = 97.58%; Positive predictive value (PPV) = 97.7%; Negative predictive value (NPV) = 98.4% and Kappa statistic (#) = 0.96 (almost perfect)