TABLE 2.

ROC curve analysis statisticsa

CurveAreaSEPb95% CI of area
PPD-B and PPD-A0.8930.0358<0.00010.823 to 0.963
ESAT-6/CFP-100.9600.0203<0.00010.920 to 1.000
Cocktail 10.9800.0114<0.00010.958 to 1.000
  • a Area under a ROC curve and its statistical analysis using data from M. bovis-infected (n = 58) and negative/environmentally sensitized cattle (n = 55). 95% CI, 95% confidence interval.

  • b Area values significantly greater than that under the bisecting line.