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Table 1 Prevalence of Plasmodium infections in asymptomatic individuals assessed by RDT, microscopy and real-time PCR

From: Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar

  RDT Microscopy Real-time PCR
T1 T2 T3 Total T1 T2 T3 Total T1 T2 T3 Total
Ambohitromby n 173 79 99 351 173 79 99 351 173 79 99 351
Positive 13 10 5 28 9 3 3 15 20 12 10 42
Prevalence (%) 7.5 12.7 5.1 8.0 5.2 3.8 3.0 4.3 11.6 15.2 10.1 12.0
Miarinarivo n 122 65 52 239 122 65 49 236 122 65 52a 239
Positive 9 7 3 19 7 3 3 13 14 12 2 28
Prevalence (%) 7.4 10.8 5.8 7.9 5.7 4.6 6.1 5.5 11.5 18.5 3.8 11.7
Prevalence of Plasmodium infections in the two villages 7.5 11.8 5.3 8.0 5.4 4.2 4.1 4.8 11.5 16.7 7.9 11.9
  1. a12 blood spots on filter paper have not been properly preserved. The same individuals were involved during the transversal parasitological study including the three methods of malaria diagnostic
  2. Notes: In Ambohitromby, a total of 173, 79 and 99 samples were analysed for T1, T2 and T3 respectively. In Miarinarivo, a total of 122, 65 and 52 samples were analysed for T1, T2 and T3, respectively, except at T3 were only 49 smears were read as 3 slides were unreadable
  3. Abbreviations: n, sample size