Skip to main content

Table 4 Bayesian estimates of sensitivity and specificity for each test, and disease prevalence (%)

From: Determination of the sensitivity and specificity of bovine tuberculosis screening tests in dairy herds in Thailand using a Bayesian approach

Parameter

Test

Median

95% PPIa

Sensitivity

SIT (severe)b

87.6

75.3–95.2

 

IFN-γ c

55.7

38.6–74.4

 

ELISAd

47.4

30.0–71.2

Specificity

SIT (severe)b

83.6

74.2–92.8

 

IFN-γ c

93.5

87.0–98.1

 

ELISAd

90.9

84.5–95.5

Disease prevalence

 

22.2

11.9–33.6

Covariance of infected cattle

 

−1.2

−7.3-6.0

Covariance of uninfected cattle

 

3.4

0.0–8.0

  1. a 95% PPI = 95% posterior probability interval
  2. b single intradermal tuberculin test using severe interpretation
  3. c interferon gamma assay
  4. d a commercial antibody detection test (M. bovis Ab ELISA)