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Table 5 ELISA and IFAT results for malaria-risk blood donors

From: A new ELISA kit which uses a combination of Plasmodium falciparum extract and recombinant Plasmodium vivax antigens as an alternative to IFAT for detection of malaria antibodies

   ELISA malaria antibody test
   Positive Equivocal Negative Total
IFAT Positive 4 0 0 4
  Equivocal 2 0 9 11
  Negative 15 14 879 908
  Total 21 14 888 923
  1. ELISA analytical specificity and sensitivity are respectively 96.8% (879/908) (CI: 95.6 – 98%) and 40% (6/15) (CI: 0.8 – 79.2%) in comparison to IFAT, equivocal results considered as positive for calculation.