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Table 3 Sensitivities and specificity of the SDFK40 for the detection of P. falciparum, retrospective samples

From: Evaluation of the rapid diagnostic test SDFK40 (Pf-pLDH/pan-pLDH) for the diagnosis of malaria in a non-endemic setting

Results of microscopy corrected by PCR

Number

Identified as P. falciparum by SDFK40

% Sensitivity (95% C.I.)

% Specificity (95% C.I.)

All P. falciparum samples

172

111

67.9 (60.1-75.1)

 

Pure gametocytemia

13

3

23.1 (5.0-23.8)

 

Asexual parasite density 0-100/μl

22

2

9.1 (1.1-29.2)

 

Asexual parasite density 101-1,000/μl

55

24

43.6 (30.3-57.7)

 

Asexual parasite density >1,000/μl

82

82

100.0 (95.6-100.0)

 

Asexual parasite density >100/μl

137

106

77.4 (69.5-84.1)

 

All other species and no parasites seen

169

2*

 

98.8 (95.8-99.9)

  1. * Both were P. malariae samples