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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