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Table 2 Sensitivity, specificity and efficiency of PCR to detect malaria in the study population

From: A cross-sectional study of sub-clinical Plasmodium falciparum infection in HIV-1 infected and uninfected populations in Mozambique, South-Eastern Africa

Test Smear Total Sen. Spec. Eff.
Positive Negative
PCR Positive 38 35 73 0.90 0.97 0.97
  Negative 4 1,172 1,176    
Total 42 1,207 1,249    
  1. Data represent the number of positive and negative individuals results for samples tested by both methods. Sen = Sensitivity, Spec = specifcity and Eff = efficiency. Data are the proportion of true positive and true negative (using the peripheral blood smear as the gold standard test).