Table 4 Sensitivity of two malaria rapid diagnostic tests by parasite density, Magaria, Niger, 2017–2018
Test | High season | Low season | ||||
|---|---|---|---|---|---|---|
Parasites/µl | N with given parasitaemia | Value | 95% CI | N with given parasitaemia | Value | 95% CI |
pLDH | 246 | 99.2 | 97.0–99.9 | 155 | 91.0 | 85.3–95.0 |
< 200 | 11 | 81.8 | 48.2–97.7 | 54 | 81.5 | 68.6–90.7 |
200–1999 | 42 | 100 | 91.4–100 | 54 | 94.4 | 84.6–98.8 |
2000–199,999 | 179 | 100 | 97.9–100 | 46 | 97.8 | 88.5–99.9 |
≥ 200,000 | 14 | 100 | 76.8–100 | 1 | 100 | 2.5–100 |
HRP2 | 246 | 99.2 | 97.1–99.9 | 155 | 85.8 | 79.3–90.9 |
< 200 | 11 | 81.8 | 48.2–97.7 | 54 | 75.9 | 62.4–86.5 |
200–1999 | 42 | 100 | 91.6–100 | 54 | 85.2 | 72.9–93.4 |
2000–199,999 | 179 | 100 | 98.0–100 | 46 | 97.8 | 88.5–99.9 |
≥ 200,000 | 14 | 100 | 76.8–100 | 1 | 100 | 2.5–100 |