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Table 1 Test characteristics of the FK70

From: Evaluation of the SD FK70 Malaria Ag Plasmodium vivax rapid diagnostic test in a non-endemic setting

Species and parasite density (asexual parasites/μl) Numbers tested Numbers tested positive by FK70 Sensitivity % (95% CI) Specificity % (95% CI)
P. vivax, 0–500/μl 28 18 64.3 (51.0 – 72.3)  
P. vivax, 501–1,000/μl 11 11 100.0 (78.8 – 100.0)  
P. vivax, > 1,000/μl 61 59 96.7 (91.3 – 99.0)  
P. vivax, all samples combined 100 88 88.0 (83.6 – 90.3)  
Other Plasmodium species 175 4   98.5 (96.9 – 99.4)
P. falciparum 75 4   
P. ovale 75 0   
P. malariae 25 0   
Malaria negative samples 100 0   
  1. Test characteristics of the FK70 matched with species and parasite density, PCR-corrected microscopy as the reference method (n = 375).