TABLE 1.

Performance of the Enferplex TB multiplex immunoassay on field animals

Enferplex TB cutoff levelSensitivityaSpecificityb
577.1 (67.4, 85.0)100 (96.1, 100)
479.2 (69.7, 86.8)97.9 (92.4, 99.7)
381.3 (72.0, 88.5)94.6 (87.9, 98.2)
282.3 (73.1, 89.3)91.4 (83.8, 96.2)
186.5 (78.0, 92.6)79.6 (70.0, 87.23)
  • a Measured for 96 SICCT reactor animals, with visible lesions and positive M. bovis cultures. Both sensitivity and specificity are expressed as percentages, with 95% confidence intervals in parentheses.

  • b Measured for 93 skin test-negative cattle from TB-free herds.