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Table 4 Sensitivity and Specificity of iELISA using rOmp2a antigen

From: Evaluation of recombinant porin (rOmp2a) protein as a potential antigen candidate for serodiagnosis of Human Brucellosis

S.No. Calculations Porin 2 antigen
1 Senstivity(%)a 93.75
2 Specificity(%)b 95.83
3 Correlation with RBPT(%)c 94.44
4 Correlation with STAT(%)c 96.55
5 Likelihood ratio for positive resultd 22.3
6 Likelihood ratio for negative resulte 15.2
  1. aSensitivity = [true positives/(true positives + false negatives)] × 100
  2. bSpecificity = [true negatives/(true negatives + false positives)] × 100
  3. cCorrelation = [number of samples positive by both methods + number of samples negative by both methods]/[total number of samples] × 100
  4. dLikelihood ratio for positive result = sensitivity/1 − specificity
  5. eLikelihood ratio for negative result = specificity/1 − sensitivity