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Table 5 Comparing Accuracy of Malaria Data by district and time, Sierra Leone, 2016–2018

From: Institutionalized data quality assessments: a critical pathway to improving the accuracy of integrated disease surveillance data in Sierra Leone

  July 2016 May 2017 November 2017 October 2018
District No. of malaria cases recounted HF register No. of malaria cases recorded in District database /DHIS VF Recounted data in HF register/ District database No. of malaria cases recounted HF register No. of malaria cases recorded in District database /DHIS VF
Recounted data in HF register/ District database
No. of malaria cases recounted HF register No. of malaria cases recorded in District database /DHIS VF Recounted data in HF register/ District database No. of malaria cases recounted HF register No. of malaria cases recorded in District database /DHIS VF Recounted data in HF register/ District database
Bo 661 528 125.2 918 1027 89.4 1143 1158 98.7 1598 1569 101.8
Bombali 849 860 98.7 1088 1315 82.7 1134 1174 96.6 1785 1558 114.6
Bonthe 538 705 76.3 657 675 97.3 781 751 104.0 1026 986 104.1
Kailahun 1047 1033 101.4 1235 1235 100.0 749 780 96.0 943 972 97.0
Kambia 868 847 102.5 636 580 109.7 887 900 98.6 1469 1456 100.9
Kenema 932 898 103.8 699 711 98.3 1100 1003 109.7 1020 1021 99.9
Koinadugu 987 1092 90.4 854 868 98.4 1189 1210 98.3 1472 1349 109.1
Kono 1092 1221 89.4 1218 1153 105.6 986 1072 92.0 2380 2409 98.8
Moyamba 740 788 93.9 876 865 101.3 656 636 103.1 705 719 98.1
Port Loko 1023 1005 101.8 855 992 86.2 1243 1212 102.6 1966 1827 107.6
Pujehun 646 1087 59.4 764 746 102.4 588 663 88.7 986 941 104.8
Tonkolili 778 775 100.4 1223 1220 100.2 1199 1094 109.6 1357 1827 74.3
Western Area rural 731 778 93.9 1487 1476 100.7 1635 1565 104.5
Western Area Urban 996 863 115.4a 1116 1106 100.9 1865 1861 100.2 1326 1437 92.3
Total 11,157 11,702 95.3 12,870 13,271 97 15,007 14,990 100.1 19,668 19,636 100.2
  1. aIn 2016, Western Area was one district. In 2017, Western Area Rural District was formed