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Table 3 Plasmodium species prevalence proportion (as percent) by survey period during intervention period 2009–2014

From: School-based malaria prevalence: informative systematic surveillance measure to assess epidemiological impact of malaria control interventions in the Democratic Republic of the Congo

  May-09 Oct-09 May-10 Oct-10 May-11 Oct-11 May-12 May-13 Oct-13 May-14 Oct-14 Total
P. falciparum (Pf) 81.4% 95.5% 98.7% 93.5% 97.7% 92.2% 90.2% 87.4% 83.7% 79.2% 74.5% 88.5%
P. ovale (Po) 2.0% 0.0% 0.0% 0.3% 0.0% 0.0% 1.0% 0.6% 1.8% 1.3% 2.3% 0.8%
P. malariae (Pm) 11.1% 2.2% 0.9% 2.2% 0.6% 3.8% 3.8% 6.0% 6.9% 9.9% 13.1% 5.4%
Pf + Pm 4.5% 2.3% 0.4% 3.4% 1.7% 3.8% 3.6% 4.6% 6.5% 7.0% 8.8% 4.3%
Pf + Po 1.0% 0.0% 0.0% 0.6% 0.0% 0.2% 1.0% 1.1% 0.7% 1.6% 0.8% 0.7%
Pf + Po + Pm 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.5% 0.3% 0.4% 1.0% 0.5% 0.3%
Total positive 199 133 223 323 476 447 417 350 276 313 388 3545
Sample size (n) 595 588 728 870 1011 1099 1096 1110 1063 1191 1142 10,493
Prevalence (%) 33.4 22.6 30.6 37.1 47.1 40.7 38.0 31.5 26.09 26.3 34.0 33.8