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Table 2 Sensitivity, and specificity of SFTSV-N-IgM ELISA with reference to the total antibody sandwitch ELISA kit

From: Application of recombinant severe fever with thrombocytopenia syndrome virus nucleocapsid protein for the detection of SFTSV-specific human IgG and IgM antibodies by indirect ELISA

Sandwich ELISA SFTSV-N-IgM ELISA Total
Positive Negative
Positive 77 8 85
Negative 0 30 30
total 77 38 115
Concordancea :93.04 % Sensitivityb :90.59 % 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