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Table 4 ELISA and IFAT results for not-exposed-to-malaria 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

0

0

4

4

 

Equivocal

0

0

3

3

 

Negative

6

1

2138

2145

 

Total

6

1

2145

2152

  1. IFAT and ELISA clinical specificities: 99.6% (2145/2152) (CI: 99.4 – 99.9%), equivocal results considered as positive for calculation.