Table 6.

Comparison of the results of the IgM ELISA and the LEPTO dipstick assay

CountryObserved agreement (%)Kappa value (SE)
Barbados90.70.80 (0.07)
Hawaii95.60.81 (0.07)
Puerto Rico94.50.69 (0.09)
Seychelles92.80.83 (0.05)
Surinam (study II)88.80.77 (0.11)
Thailand94.40.71 (0.07)
The Netherlands95.40.74 (0.05)
Mean (SD)93.2 (2.4)0.76 (0.05)