Table 2.
Prevalence of microfilaraemia before and after 4 rounds of mass drug administration (MDA)
| No. mf positive/No. examined (% mf positive) | |||||
| Village | 2002 (Pre-MDA) | 95% CI (%) | 2009 (Post 4 MDAs) | 95% CI (%) | % Decrease |
| Mwangatini | 41/180 (22.8) | 16.7 - 28.9 | 2/171 (1.2) | 0.6 - 5.0 | 94.7 |
| Burangi | 44/194 (22.7) | 16.8 - 28.6 | 0/159 (0.0) | 0.0 - 2.1 | 100.0 |
| Shakahola | 28/157 (17.8) | 11.8 - 23.8 | 2/156 (1.3) | 0.0 - 3.7 | 92.7 |
| Chakama | 32/148 (21.6) | 15.0 - 28.2 | 0/139 (0.0) | - | 100.0 |
| Jilore | 32/173 (18.5) | 12.7 - 24.3 | 3/85 (3.5) | 1.0 - 11.8 | 81.1 |
| Marikano | 44/192 (22.9) | 17.0 - 28.8 | 2/106 (1.9) | 0.0 - 5.7 | 91.7 |
| Magongoloni | 44/194 (22.7) | 16.8 - 28.6 | 0/138 (0.0) | 0.0 - 2.1 | 100.0 |
| Mkondoni | 32/181 (17.7) | 12.1 - 23.3 | 1/125 (0.8) | 0.0 - 4.9 | 95.5 |
| All | 297/1419 (20.9) | 18.8 - 23.0 | 10/1079 (0.9) | 1.2 - 2.6 | 95.7 |