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Table 2 Comparison of sensitivity and specificity of SPCE with LPBE, VNT/XJ and VNT/GX

From: Evaluation and optimization of a conventional SPCE for FMD post-vaccination monitoring

Method   LPBE VNT/XJ VNT/GX
Result Positive Negative Positive Negative Positive Negative
SPCE Positive 531 147 514 164 336 342
Negative 25 251 19 257 9 267
Cohen’s kappa 0.612 0.596 0.340
Overall concordance (%) 82.0 80.8 63.2
False positive (%) 21.7 24.2 50.4
False negative (%) 9.1 6.9 3.3