Table 4 Prevalence of circulating filarial antigenaemia (CFA) before and after 4 rounds of mass drug administration (MDA)
| Â | No. CFA positive/No. examined (% CFA positive) | Â | Â | ||
|---|---|---|---|---|---|
Village | 2002 (Pre-MDA) | 95% CI (%) | 2009 (Post 4 MDAs) | 95% CI (%) | % Decrease |
Mwangatini | 71/195 (36.4) | 29.6 - 43.2 | 15/164 (9.1) | 4.7 - 13.5 | 75.0 |
Burangi | 69/199 (34.7) | 28.1 - 41.3 | 12/153 (7.8) | 3.6 - 12.0 | 77.5 |
Shakahola | 51/157 (32.5) | 25.2 - 39.8 | 13/156 (8.3) | 4.0 - 12.6 | 74.5 |
Chakama | 44/148 (29.7) | 22.3 - 37.1 | 16/134 (11.9) | 6.4 - 17.4 | 59.9 |
Jilore | 66/172 (38.4) | 31.1 - 45.7 | 13/83 (15.7) | 7.9 - 23.5 | 59.1 |
Marikano | 65/196 (33.2) | 26.6 - 39.8 | 15/106 (14.2) | 7.6 - 20.8 | 57.2 |
Magongoloni | 85/198 (42.9) | 36.0 - 49.8 | 20/138 (14.5) | 8.6 - 20.4 | 66.2 |
Mkondoni | 50/182 (27.5) | 21.0 - 34.0 | 11/124 (8.9) | 3.9 - 13.9 | 67.6 |
All | 501/1447 (34.6) | 32.1 - 37.1 | 115/1058 (10.8)* | 8.9 - 12.7 | 68.8 |