Table 2.
P. falciparum prevalence as measured by RDT, microscopy, PCR and antibodies to either P. falciparum MSP-1 or AMA-1, by cluster
| Cluster | Tested | RDT | Pf microscopy | Pf PCR | Pf serology | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | +ve | % | 95 % CI | +ve | % | 95 % CI | +ve | % | 95 % CI | +ve | % | 95 % CI | |
| 1 | 185 | 1 | 0.5 | −0.5, 1.6 | 1 | 0.5 | −0.5, 1.6 | 4 | 2.2 | −1.5, 5.8 | 17 | 9.2 | 3.2, 15.2 |
| 2 | 216 | 77 | 35.6 | 24.7, 46.6 | 61 | 27.8 | 18.6, 37 | 78 | 37.6 | 27.4, 47.7 | 121 | 58.5 | 49.6, 67.5 |
| 3 | 187 | 9 | 4.8 | 1.6, 8 | 0 | 0 | 0, 0 | 15 | 8 | 3, 13 | 60 | 32.1 | 24.7, 39.5 |
| 4 | 200 | 88 | 44 | 37.1, 50.9 | 77 | 38.5 | 31.8, 45.2 | 92 | 46 | 38.8, 53.2 | 118 | 59 | 51.8, 66.2 |
| 5 | 195 | 48 | 24.6 | 15.6, 33.6 | 44 | 22.6 | 15.1, 30.1 | 53 | 27.2 | 20.4, 34 | 110 | 56.4 | 47.1, 65.8 |
| 6 | 163 | 1 | 0.6 | −0.6, 1.8 | 0 | 0 | 0, 0 | 31 | 19.1 | 11.9, 26.3 | 22 | 13.6 | 7.2, 20 |
| 7 | 173 | 9 | 6 | 1.5, 10.5 | 7 | 4.7 | 1.1, 8.3 | 27 | 18 | 11, 25 | 32 | 17.3 | 6.4, 28.2 |
| 8 | 180 | 20 | 10.9 | 3.7, 18.1 | 22 | 10.3 | 3.7, 17 | 40 | 23 | 16.2, 29.7 | 74 | 42.5 | 35.1, 50 |
| 9 | 182 | 3 | 1.6 | −0.1, 3.4 | 3 | 1.6 | −0.1, 3.4 | 4 | 2.2 | 0.3, 4.1 | 9 | 4.9 | 1.4, 8.5 |
| 10 | 184 | 15 | 8.2 | 3.2, 13.1 | 13 | 7.1 | 3.1, 11 | 44 | 23.9 | 17.5, 30.3 | 80 | 43.5 | 34.5, 52.5 |
| 11 | 178 | 0 | 0 | 0, 0 | 0 | 0 | 0, 0 | 6 | 3.5 | 1.2, 5.8 | 6 | 3.5 | 0.4, 6.7 |
| 12 | 179 | 10 | 5.6 | 1.7, 9.4 | 8 | 4.5 | 0.6, 8.3 | 33 | 18.4 | 11.9, 25 | 76 | 42.5 | 32.9, 52 |
| Total | 2220 | 281 | 12.7 | 10.5, 14.8 | 236 | 10.5 | 8.7, 12.3 | 427 | 19.6 | 17.3, 21.9 | 725 | 33.0 | 30.0, 36.0 |