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Table 2 Demographic and parasitological data

From: Seasonal performance of a malaria rapid diagnosis test at community health clinics in a malaria-hyperendemic region of Burkina Faso

  Low transmission season(N = 1,210) High transmission season(N = 2,009) Overall (N = 3,219)
Sex ratio 0.95 0.90 0.93
Mean age (years) 1.3 1.2 1.3
Children with fever ≥37.5 °C (%) 75.5 78.6 77.4
Children with history of fever (%) 24.5 21.4 22.6
Positive by microscopy (%) 41 73.3 61.1
Positive by RDT (%) 39.2 74.6 61.2
Positive by microscopy and negative by RDT (%) 10.7 5.2 7.3
Negative by microscopy and positive by RDT (%) 7.1 5.9 6.3
P. falciparum monospecific infection prevalence by microscopy (%) 37.8 71.1 58.6
RDT positive for P. falciparum monospecific infection prevalence (%) 28.9 66.3 52.2
P. falciparum gametocyte (alone) i prevalence by microscopy (%) 3.5 1.4 2.2
RDT positive for P. falciparum gametocyte alone (%) 0.8 0.8 0.8
P. malariae monospecific infection prevalence by microscopy (%) 1.1 0.4 0.7
RDT positive for P. malariae monospecific infection prevalence (%) 0.7 0.2 0.4
P. ovale monospecific infection prevalence by microscopy 0.6 0.09 0.3
RDT positive for P. ovale monospecific prevalence (%) 0.1 0 0.2
Mixed Plasmodium infections* by microscopy 3.1 2.1 2.5
RDT positive for mixed Plasmodium infections 2.2 2 2.1
Geometric means of P. falciparum parasite density 3921(3201–4804) 14615(13187–16197)  
  1. *Mixed infections = P. falciparum with P. malaria or P. ovale, or P. malariae with P. ovale.