Antibody

Performance of RDT

Percentage

Kappa value

IgG

Sensitivity

26.5%

0.373

Specificity

99.6%

Positive predictive value

90%

Negative predictive value

90.4%

IgM

Sensitivity

0

0.0001

Specificity

100%

Positive predictive value

0

Negative predictive value

97.8%