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) | Â |
Pure gametocytemia | 13 | 3 | 23.1 (5.0-23.8) | Â |
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* | Â | 98.8 (95.8-99.9) |