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

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

inactivated virus-based IgM ELISA rRVFV-N IgM ELISA Total
Positive Negative
Positive 42 0 42
Negative 0 51 51
total 42 51 93
Concordancea: 100% Sensitivityb: 100% Specificityc: 100%
  1. a(No. of samples positive by both methods + No. of samples negative by both methods)/total number of samples × 100
  2. bTrue positive/(true positive + false negative) × 100
  3. cTrue negative/(true negative + false positive) × 100