Table 2.

Relationship between Dengue Rapid Test score and EIA resulta

Dengue IgM EIADengue IgG EIA
Rapid test IgM scorebNo. of specimens with EIA IgM of ≥40 U/total no. (%)Mean IgM EIA URapid test IgG scorebNo. of specimens with IgG EIA ≥100 U/total no. (%)Mean IgG EIA U
03/118 (3)8.006/168 (4)19.4
0.56/14 (43)43.50.54/6 (67)155.2
133/68 (49)46.5159/66 (89)220.5
244/48 (92)139.928/8 (100)273.0
  • a By the chi-square test for independence, χ2 was 128.8 for IgM (P < 0.0001), and χ2 was 168.7 for IgG (P < 0.0001). Cutoff for IgM ELISA, ≥40 U; cutoff for IgG ELISA, ≥100 U.

  • b 0 = negative; 0.5 = faintly positive; 1 = distinctly positive; 2 = strongly positive.