Table 2.
P. falciparum diagnostic outcomes.
| Gabon | Congo | Nigeria | Benin | |
|---|---|---|---|---|
| Total N | 534 | 917 | 466 | 120 |
| TBS positive, n (%) | 96 (18%) | 329 (36%) | - | 120 (100%) |
| Median parasitemia [p/µL] | 475 (145–1849) | 530 (147–5514) | - | 2240 (1008–6900) |
| RDT positive, n (%) | 186/532 * (35%) | 478 (52%) | - | - |
| qPCR positive | 273 (51%) | 643 (70%) | 379 (81%) | 120 (100%) |
| False-negative RDTs vs TBS vs qPCR |
8 91 |
2 186 |
- - |
- - |
| Kappa | ||||
| RDT/TBS | 0.50 | 0.67 | - | - |
| RDT/qPCR | 0.64 | 0.54 | - | - |
| TBS/qPCR | 0.33 | 0.36 | - | - |
| RDT/TBS/qPCR | 0.47 | 0.50 | - | - |
* Data are missing. qPCR positivity refers to pfcytb positivity.