Table 4 |
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|
Performance characteristics of Hexagon Malaria Combi™ rapid test at different parasite densities in detecting the different Plasmodium species. |
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| Parasite density |
Sensitivity % (95%CI) |
Specificity % (95%CI) |
Accuracy % |
Reliability |
|
|
||||
| P. falciparum only |
||||
| <500 |
50 (33.4–66.6) |
83 (52–98) |
66.6 |
0.6 |
| 501–5,000 |
76.9 (62.9–90.9) |
87 (60–98) |
97.5 |
0.8 |
| >5,000 |
100 (99.7–100) |
92 (82–97) |
98 |
0.8 |
| Total |
87.50 (76.5–98.5) |
98 (93–100) |
95.6 |
0.8 |
| Non-falciparum species |
||||
| <500 |
0 (0–94.5) |
67 (43–85) |
98 |
0.7 |
| 501–5,000 |
66.7 (34–99.3) |
88(47–100) |
93 |
0.7 |
| >5,000 |
100 (99.7–100) |
98.(89–100) |
96.5 |
0.7 |
| Total |
80 (52.3–99.6) |
92 (83–97) |
94 |
0.8 |
| Mixed infections with Plasmodium falciparum (Plasmodium vivax not included) |
||||
| <500 |
50 (28.6–71.4) |
62 (46–75) |
95.5 |
0.7 |
| 501–5,000 |
66.7 (46.51–86.8) |
66(53–78) |
92 |
0.7 |
| >5,000 |
94.1 (46.51–99.9) |
92 (82–97) |
93.1 |
0.8 |
| Total |
84 (68.3–99.7) |
95 (74–100) |
89.5 |
0.8 |
|
|
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|
Wanji et al. Malaria Journal 2008 7:89 doi:10.1186/1475-2875-7-89 |
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