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Table 2 Agreement of tuberculosis (TB) LAM Ag or LIONEX animal TB tests with IFN-γ test in detecting bovine TB

From: Evaluation of Mycobacterium tuberculosis lipoarabinomannan antigen assay and rapid serology blood test for the diagnosis of bovine tuberculosis in Ethiopia

Type of test IFN-γ test PPD (B-A) Kappa statistics 95% Confidence Interval
Positive Negative Total
TB LAM Ag
 Positive 63 3 66 0.67 (0.52–0.81)
 Negative 26 83 109  
 Total 89 86 175 Substantial agreement
LIONEX Animal TB
 Positive 49 1 50 0.53 (0.40–0.66)
 Negative 40 85 125  
 Total 89 86 175 Moderate agreement
  1. TB Tuberculosis, LAM Lipoarabinomannan, IFN-γ, SICTT Single intradermal comparative tuberculin test