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Table 4 Positive predictive value of antigen detection with rapid diagnostic tests compared to blood slide microscopy during follow-up.

From: Pf HRP2 and Pf LDH antigen detection for monitoring the efficacy of artemisinin-based combination therapy (ACT) in the treatment of uncomplicated falciparum malaria

Positive predictive value

 

Pf LDH

Pf HRP2

 

%

95% CI

%

95%CI

D3

57.1 (28/49)

43.3 - 70.0

20.7 (35/169)

15.3 - 27.4

D7

27.8 (5/18)

12.5 - 50.9

5.0 (6/121)

2.2 - 10.4

D14

45.4 (5/11)

21.3 - 72.0

8.0 (6/75)

3.7 - 16.4

D21

76.2 (16/21)

54.9 - 89.4

26.9 (14/52)

16.8 - 40.2

D28

81.2 (13/16)

57.0 - 93.4

28.3 (13/46)

17.3 - 42.6

D35

81.8 (9/11)

52.3 - 94.9

69.2 (9/13)

42.4 - 87.3

D42

100.0 (2/2)

34.2 - 100.0

66.7 (4/6)

30.0 - 90.3