Table 2. The relative performance of serological tests against statutory post-mortem diagnostic techniques.

Test type	n	Comparator	P-value	AUC	Sens	Spec	PPV	NPV	Prev. (comparator)	Test prev.
ENFER 2ag	283	Visible lesion	0.002	0.55	12.80%	97.60%	66.70%	74.60%	28%	5.30%
ENFER 2ag	285	Confirmed	0.003	0.55	12.70%	97.20%	60.00%	77.00%	25%	5.26%
ENFER 4ag	283	Visible lesion	0.007	0.54	8.97%	98.50%	70.00%	68.40%	28%	3.53%
ENFER 4ag	285	Confirmed	0.004	0.54	9.86%	98.60%	70.00%	76.50%	25%	3.51%
IDEXX	284	Visible lesion	0.001	0.56	14.10%	97.10%	64.70%	74.90%	27%	5.99%
IDEXX	286	Confirmed	0.002	0.55	14.10%	96.70%	58.80%	77.30%	25%	5.94%