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ELISA and IFAT results for not-exposed-to-malaria blood donors
| 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 | |
IFAT and ELISA clinical specificities: 99.6% (2145/2152) (CI: 99.4 – 99.9%), equivocal results considered as positive for calculation.
