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Table 2 The accuracy of RDT during 4 months of follow-up after the diagnosis of malaria (all species included)

From: Accuracy of SD Malaria Ag P.f/Pan® as a rapid diagnostic test in French Amazonia

Time (days)

Nb

TP

FP

TN

FN

Ss

Sp

PPV

NPV

Q

Youden

0 to 7

992

116

61

803

12

0.906

0.929

0.655

0.985

0.984

0.836

8 to 14

221

6

7

208

0

1.000

0.967

0.462

1.000

1.000

0.967

15 to 21

123

9

4

109

1

0.900

0.965

0.692

0.991

0.992

0.865

22 to 28

91

20

0

70

1

0.952

1.000

1.000

0.986

1.000

0.952

28 to 35

76

25

1

48

2

0.926

0.980

0.962

0.960

0.997

0.906

36 to 42

64

19

0

44

1

0.950

1.000

1.000

0.978

1.000

0.950

43 to 49

46

10

1

35

0

1.000

0.972

0.909

1.000

1.000

0.972

50 to 56

33

7

0

26

0

1.000

1.000

1.000

1.000

1.000

1.000

57 to 90

151

29

0

119

3

0.906

1.000

1.000

0.975

1.000

0.906

91 to 120

86

14

0

72

0

1.000

1.000

1.000

1.000

1.000

1.000

  1. RDT: Rapid diagnosis tests, Nb: Number of cases, TP: True positive, FP: False positive, TN: True negative, FN: False negative, Ss: Sensitivity, Sp: Specificity, PPV: Positive Predictive Value, NPV: Negative Predictive Value