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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.