Table 1. Performance of WVA ELISA and rNP ELISA and performance after correlating the results of both ELISAs.

Parameters	Performance of WVA ELISA	Performance of rNP ELISA	Performance after correlating WVA/rNP ELISAs
Sensitivity	59.02% (95% CI 45.68%-71.45%)	83.61% (95% CI 71.91%-91.85%)	85.25% (95% CI 73.83%-93.02%)
Specify	94.00% (95% CI 83.45%-98.75%)	92.00% (95% CI 80.77%-97.78%)	98.00% (95% CI 89.35%-99.95%)
Positive predictive value	92.31% (95% CI 79.13%-98.38%)	92.73% (95% CI 82.41%-97.88%)	98.11% (95% CI 89.93%-99.95%)
Negative predictive value	65.28% (95% CI 53.14%-76.12%)	82.14% (95% CI 69.60%-91.09%)	84.48% (95% CI 72.58%-92.65%)
Likelihood ratio	9.83	10.45	42.62

WVA: whole viral antigen; rNP: recombinant nucleocapsid protein.