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Table 1 Summary malaria prevalence surveys during intervention period from 2009 to 2014: number of schools selected from total and sample size from registered student population

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

Survey period Schools operating in survey area Students registered in the survey area Schools sampled Students sampled
Total schools Percentage of urban schools Rural Urban Total Rural Urban Total Rural Urban Total
May-09 29 93 342 11,312 11,654 1 9 10 26 569 595
Oct-09 29 93 352 11,365 11,717 1 9 10 43 545 588
May-10 30 87 1203 11,977 13,180 2 16 18 39 689 728
Oct-10 38 89 1255 13,052 14,307 3 13 16 107 763 870
May-11 38 89 1319 16,927 18,246 4 20 24 132 879 1011
Oct-11 40 88 1364 16,801 18,165 5 19 24 128 971 1099
May-12 43 88 1428 18,475 19,903 5 20 25 117 979 1096
Oct-12a 48 90 1124 16,305 17,429 5 20 25 116 1019 1135
May-13 48 90 1597 18,604 20,201 5 20 25 143 967 1110
Oct-13 52 90 1540 17,782 19,322 5 20 25 145 918 1063
May-14 54 91 1448 19,775 21,223 5 20 25 150 1041 1191
Oct-14 59 92 1389 18,923 20,312 5 20 25 154 988 1142
  1. aOctober 2012 survey excluded from final analysis as only RDT results are available