Table 2

DPO	Cut-off titer	MAT Sensitivity (%)	95% CI	MAT Specificity* (%)	95% CI	IgM ELISA Sensitivity (%)	95% CI	IgM ELISA *Specificity (%)**	95% CI
1-10	≥1:40	19.8	13.1-28.9	79.0	67.4-87.3	31.3	22.9-41.1	96.8	89.0-99.1
	≥1:80	12.5	7.3-20.6	93.5	84.6-97.5	25.0	17.4-34.5	100.0	94.2-100
	≥1:160	6.3	2.9-13.0	100.0	94.2-100.0	16.7	10.5-25.4	100.0	94.2-100

11-20	≥1:40	95.0	86.3-98.3	71.4	59.3-81.1	96.7	88.6-99.1	93.7	84.8-97.5
	≥1:80	90.0	79.9-95.3	90.5	80.7-95.6	91.7	81.9-96.4	100.0	94.2-100.0
	≥1:160	81.7	70.1-89.4	100.0	94.2-100.0	85.0	73.9-91.9	100.0	94.2-100.0

>20	≥1:40	92.3	83.2-96.7	71.4	59.3-81.1	89.2	79.4-94.7	93.7	84.8-97.5
	≥1:80	87.7	77.5-93.6	90.5	80.7-95.6	70.8	58.8-80.4	100.0	94.2-100.0
	≥1:160	81.5	70.4-89.1	100.0	94.2-100.0	58.5	46.3-69.6	100.0	94.2-100.0

Bold text indicates the optimal cut-off for sensitivity and specificity based on the ROC plots with priority on a high specificity *specificity based on unknown controls

Table 2: Sensitivity and specificity and corresponding 95% confidence intervals (CI) of either MAT or IgM ELISA.