Table 2 Sensitivity and specificity of SDFK90 for the detection of Plasmodium falciparum
From: Evaluation of the malaria rapid diagnostic test SDFK90: detection of both PfHRP2 and Pf-pLDH
Microscopy corrected by PCR | Number | Identified as P. falciparum by SDFK90 | % Sensitivity (95% CI) | % Specificity (95% CI) |
|---|---|---|---|---|
All P. falciparum samples | 336 | 331 | 98.5 (96.6-99.5) | |
Pure gametocytaemia | 18 | 16 | 88.9 (65.3-98.6) | |
Asexual parasite density 1-100/μl | 36 | 35 | 97.2 (85.5-99.9) | |
Asexual parasite density 101-200/μl | 19 | 19 | 100 (82.4-100) | |
Asexual parasite density 201-1,000/μl | 44 | 43 | 97.7 (88.0-99.9) | |
Asexual parasite density >1,000/μl | 219 | 218 | 99.5 (97.5-100) | |
Asexual parasite density >100/μl | 282 | 280 | 99.3 (97.2-99.9) | |
Excluding pure gametocytaemia | 318 | 315 | 99.1 (97.3-99.8) | |
All other species and no parasites detected | 255 | 3 | 98.8 (96.6-99.8) | |
No parasites detected | 96 | 0 | ||
P. vivax | 72 | 3 | ||
P. ovale | 71 | 0 | ||
P. malariae | 16 | 0 |