TABLE 3.

Sensitivity of antigens at given specificities and the required cutoff

AntigensSensitivity level at a specificity (%) ofa:
919398
PPD-B and PPD-A84.5 (0.11)84.5 (0.13)81.0 (0.32)
ESAT-6/CFP-1091.4 (0.04)91.4 (0.04)91.4 (0.06)
Cocktail 196.6 (0.11)96.6 (0.11)91.4 (0.17)
  • a Sensitivity of antigens expressed as a percent, with the required cutoffs (ΔOD450) in parentheses, using data from M. bovis-infected (n = 58) and negative/environmentally sensitized cattle (n = 55).