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Table 6 Comparison of three commercial ELISAs for detection of PRRSV antibodies in pig serum

From: Comparison of different commercial ELISAs for detection of antibodies against porcine respiratory and reproductive syndrome virus in serum

  ELISA II ELISA III ELISA IV Used groups
Sensitivity (%) 96.0 100.0 91.5 1-2 (n = 266)
Specificity (%) 99.0 95.1 96.4 3 (n = 309)
Positive predictive value (%) 86.0 73.7 66.9 1-4 (n = 828)
Negative predictive value (%) 98.7 100.0 97.4 1-4 (n = 828)
Accuracy (%) 95.3 91.4 88.2 1-4 (n = 828)
Kappa coefficient (κ) 0.88 0.83 0.71 1-4 (n = 828)
  1. Descriptive test parameters and measures of agreement. ELISA I was used as reference test. ELISA I - IDEXX PRRS X3 Ab test, ELISA II - INgezim PRRS 2.0, ELISA III - Priocheck® PRRSV Ab porcine, ELISA IV - CIVTEST suis PRRS E/S PLUS.