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Table 2 Prevalence and performance of Paracheck® by age group, month of data collection and area

From: Paracheck® rapid diagnostic test for detecting malaria infection in under five children: a population-based survey in Burkina Faso

   Microscopy prevalence ST + (n) Sensitivity (%) ST- (n) Specificity (%) DA (%) Youden index (%)
Area        
  Ouagadougou 18.1 68 80.9 308 73.7 75 55
  Small cities 37.2 242 88.0 408 63.7 73 52
  Rural areas 73.0 3823 90.2 1411 41.5 77 32
  p-value    0.024   <0.001   
Age group (months)         
  6 - 12 58.6 467 89.1 330 54.8 75 44
  13 - 23 61.9 775 89.0 478 52.1 75 41
  24 - 35 66.0 923 91.2 476 54.2 76 45
  36 - 47 70.4 1007 92.3 424 51.7 80 44
  48 - 59 69.7 961 87.4 417 49.2 76 37
  p-value    0.004   0.10   
Month of data collection*        
  May** 20.0 30 93.3 120 73.3 77 67
  June** 31.6 66 83.3 143 69.2 74 53
  July 74.0 376 89.6 132 36.4 76 26
  August 70.9 795 88.6 327 47.1 76 36
  September 73.3 869 88.3 317 44.2 76 32
  October 63.4 688 89.5 398 49.5 75 39
  November 66.3 838 91.8 426 44.6 76 36
  December 64.1 465 93.8 260 59.2 81 53
  p-value***    0.009   <0.001   
  1. *Only seven children were tested in January, **Result for the Central region only, ***Comparison between July and December, ST+: positive blood smear test, ST-: negative blood smear test, DA: Diagnosis accuracy.