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

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

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