TABLE 2.

Sensitivities and specificities of ELISA

ParameterPTFHACatACTC-FHALOSPAL
IgGIgAIgGIgAIgGIgAIgGIgAIgGIgAIgGIgA
Cutoffa485316326627313110561.580.07120
Sensitivity (%)92.223.535.347.162.83.939.27.89.829.411.87.8
Specificity (%)93.593.593.491.791.797.995.493.093.891.795.197.6
  • a The cutoff value for a positive result was defined as values greater than the mean plus 2 SDs of the value for the control group for all antibodies. Units for the cutoff antibody concentrations are as follows: for PT and FHA, EU/ml; for CatACT, C-FHA, and PAL, titer; for LOS, OD405.