Table 3 Comparison of the five RDTs for the detection of P.malariae categorized by parasite density
Parasite density (parasites/µL) | No. of samples | No. of positive samples | Sensitivity(%) (95%CI) |
|---|---|---|---|
Wondfo | |||
≤ 1000 | 9 | 4 | 44.4 (3.9 ~ 85.0) |
1001–5000 | 24 | 15 | 62.5 (41.6 ~ 83.4) |
≥ 5001 | 12 | 9 | 75.0 (41.1 ~ 100) |
SD BIOLINE | |||
≤ 1000 | 9 | 0 | 0.0 (0 ~ 0) |
1001–5000 | 24 | 1 | 4.2 (0 ~ 14.2) |
≥ 5001 | 12 | 5 | 41.7 (8.9 ~ 74.4) |
CareStart | |||
≤ 1000 | 9 | 6 | 66.7 (20.8 ~ 100) |
1001–5000 | 23 | 16 | 69.6 (49.2 ~ 89.9) |
≥ 5001 | 12 | 10 | 83.3 (54.2 ~ 100) |
BinaxNOW | |||
≤ 1000 | 9 | 3 | 33.3 (0 ~ 79.2) |
1001–5000 | 23 | 16 | 69.6 (49.2 ~ 89.9) |
≥ 5001 | 12 | 10 | 83.3 (54.2 ~ 100) |
BioPerfectus | |||
≤ 1000 | 8 | 3 | 37.5 (0 ~ 89.5) |
1001–5000 | 23 | 14 | 60.9 (39.3 ~ 82.4) |
≥ 5001 | 12 | 9 | 75.0 (41.1 ~ 100) |