First international diagnostic accuracy study for the serological detection of West Nile virus infection

BMC Infectious Diseases

Table 2 Evaluation of the WN positive samples in the test panel*

Sample	Expected result IgM/IgG	Fraction of correct classified results for IgM in %	Fraction of correct classified results for IgG in %
#8 anti-WN	+/+	57.9 (11)	89.5 (17)
#12 anti-WN	+/+	63.2 (12)	89.5 (17)
#5 anti-WN	+/+	78.9 (15)	100.0 (19)
#6 anti-WN	-/+	94.7 (18)	100.0 (19)
overall:		73.7 ^†	94.7

* No. of laboratories: 19. Number of laboratories with correct results shown in brackets.
^† IgM-antibodies are less detected than IgG-antibodies (Χ² = 12.7; p < 0.001).

ISSN: 1471-2334