Table 3. Calculated specificity, sensitivity, positive and negative predictive values for the anti-JEV IgM IIFT in comparison to the InBios JE Detect IgM capture ELISA and PRNT50.

		Pre-characterization (InBios JE Detect IgM capture ELISA and PRNT50)
	n = 148	positive	negative
Euroimmun anti-JEV IgM IIFT	positive	47	0
	negative	9	92
Specificity		100% (95% CI 96–100%)
Sensitivity		83.9% (95% CI 72.2–91.3%)
Positive predictive value		100% (95% CI 92.4–100%)
Negative predictive value		91.1% (95% CI 83.9–95.2%)