Table 3 Performance characteristics of two malaria rapid diagnostic tests, Magaria, Niger, 2017–2018
Characteristic | High transmission season | Low transmission season | ||||
|---|---|---|---|---|---|---|
Test | Na | Value | 95% CI | Na | Value | 95% CI |
Sensitivity | ||||||
pLDH | 246 | 99.2 | 97.0–99.9 | 155 | 91.0 | 85.3–95.0 |
HRP2 | 246 | 99.2 | 97.1–99.9 | 155 | 85.8‡ | 79.3–90.9 |
Specificity | ||||||
pLDH | 293 | 58.0 | 52.1–63.8 | 1252 | 92.6 | 91.1–94.0 |
HRP2 | 293 | 57.4 | 51.5–63.1 | 1252 | 93.5 | 91.9–94.8 |
PPV | ||||||
pLDH | 361 | 66.3 | 61.1–71.2 | 233 | 60.5 | 53.9–66.8 |
HRP2 | 370 | 66.3 | 61.2–71.1 | 215 | 61.9 | 55.0–68.4 |
NPV | ||||||
pLDH | 169 | 98.8 | 95.8–99.9 | 1173 | 98.8 | 98.0–99.3 |
HRP2 | 169 | 98.8 | 95.8–99.9 | 1192 | 98.2 | 97.2–98.8 |