Comparison of enzyme-linked immunosorbent assay systems using rift valley fever virus nucleocapsid protein and inactivated virus as antigens

Table 2 Comparison of RVFV-N-based IgM capture ELISA with inactivated virus-based IgM capture ELISA for human serum

inactivated virus-based IgM ELISA	rRVFV-N IgM ELISA		Total
inactivated virus-based IgM ELISA	Positive	Negative	Total
Positive	42	0	42
Negative	0	51	51
total	42	51	93
Concordance^a: 100%	Sensitivityb: 100%		Specificity^c: 100%

^a(No. of samples positive by both methods + No. of samples negative by both methods)/total number of samples × 100
^bTrue positive/(true positive + false negative) × 100
^cTrue negative/(true negative + false positive) × 100

ISSN: 1743-422X