Table 4 Test characteristics of the FK80 for the detection of P. falciparum related to parasite densities (n = 416)
Species | Numbers | Correctly identified by SDFK80* | Sensitivity in % (95% CI) | Specificity in % (95% CI) |
|---|---|---|---|---|
All P. falciparum samples | 178 | 163 | 91.6 (86.2-95.0) | |
Pure gametocytaemia | 22 | 17 | 77.3 (54.2-91.3) | |
Parasite density 0-100/μl | 26 | 23 | 88.5 (68.7-97.0) | |
Parasite density 101-1,000/μl | 24 | 22 | 91.7 (71.5-98.5) | |
Parasite density >1,000/μl | 106 | 101 | 95.3 (88.8-98.3) | |
Parasite density >100/μl | 130 | 123 | 94.6 (88.8-97.6) | |
Non-falciparum or no parasites seen | 238 | 2** | 99.2 (96.7-99.9) |