Table 2 Comparison of seropositivity data obtained from either rapid diagnostic tests (RDTs) or filter paper (FP) blood-spots
Site | Age Group | AMA-1 | ||||
|---|---|---|---|---|---|---|
Concordant | Discordant | |||||
FP- RDT- | FP+ RDT+ | FP- RDT+ | FP+ RDT- | Agreement | ||
overall | 1567 | 1617 | 253 | 269 | 85.9% | |
Korogwe | >1 | 130 | 39 | 21 | 10 | 84.5% |
1 | 104 | 6 | 9 | 4 | 89.4% | |
2–4 | 121 | 46 | 22 | 11 | 83.5% | |
5–9 | 55 | 64 | 19 | 6 | 82.6% | |
10–14 | 24 | 70 | 5 | 8 | 87.9% | |
15–19 | 16 | 69 | 11 | 4 | 85.0% | |
20–24 | 19 | 110 | 6 | 13 | 87.2% | |
25–34 | 26 | 288 | 16 | 20 | 89.7% | |
35–49 | 26 | 224 | 12 | 22 | 88.0% | |
50+ | 17 | 169 | 9 | 14 | 89.0% | |
Same | >1 | 134 | 20 | 10 | 7 | 90.1% |
1 | 80 | 0 | 5 | 0 | 94.1% | |
2–4 | 173 | 2 | 2 | 4 | 96.7% | |
5–9 | 121 | 3 | 6 | 4 | 92.5% | |
10–14 | 83 | 15 | 9 | 7 | 86.0% | |
15–19 | 82 | 53 | 9 | 7 | 89.4% | |
20–24 | 69 | 61 | 20 | 14 | 79.3% | |
25–34 | 114 | 116 | 19 | 38 | 80.1% | |
35–49 | 84 | 137 | 23 | 44 | 76.7% | |
50+ | 89 | 125 | 20 | 32 | 80.5% | |