Table 2.
Prevalence of CFA, microfilariae and clinical manifestation of lymphatic filariasis infection by gender, age and village location in Rufiji District, southeastern Tanzania
| Characteristic | No. (%) examined | No. (%) with CFA [95% CI] | No. (%) with MF [95% CI] | No. (%) with hydrocelea | No. (%) with elephantiasis |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 481 (56.3) | 8 (1.7) [0.8–3.2] | 1 (0.2) [0.0–1.2] | 23 (4.8) | 18 (3.7) |
| Female | 373 (43.7) | 1 (0.3) [0.1–1.5] | 0 (0.0) [0.0–1.0] | – | 7 (1.9) |
| Total | 854 | 9 (1.1) [0.6–2.0] | 1 (0.1) [0.0–0.7] | 23 (4.8) | 25 (2.9) |
| Age (years) | |||||
| 5–14 | 188 (22.1) | 1 (0.5) [0.1–3.0] | 0 (0.0) [0.0–2.0] | 0 (0.0) | 1 (1.0) |
| 15–34 | 307 (35.9) | 4 (1.3) [0.5–3.3] | 1 (0.3) [0.1–1.8] | 8 (4.7) | 13 (7.8) |
| ≥ 35 | 359 (42.0) | 4 (1.1) [0.4–2.8] | 0 (0.0) [0.0–1.1] | 15 (7.0) | 11 (5.2) |
| Total | 854 | 9 (1.1) [0.6–2.0] | 1 (0.1) [0.0–0.7] | 23 (4.8) | 25 (2.9) |
| Village | |||||
| Nyamisati | 213 (24.9) | 0 (0.0) [0.0–1.8] | 0 (0.0) [0.0–1.8] | 7 (4.1) | 5 (2.3) |
| Nyambili | 196 (23.0) | 6 (3.1) [1.4–6.5] | 1 (0.5) [0.1–2.8] | 5 (5.0) | 10 (5.1) |
| Nyanjati | 189 (22.1) | 0 (0.0) [0.0–2.0] | 0 (0.0) [0.0–2.0] | 3 (3.6) | 7 (4.1) |
| Bungu | 172 (20.1) | 3 (1.7) [0.6–5.0] | 0 (0.0) [0.0–2.2] | 4 (5.1) | 3 (1.7) |
| Mchukwi | 84 (9.8) | 0 (0.0) [0.0–4.4] | 0 (0.0) [0.0–4.4] | 4 (8.3) | 0 (0.0) |
| Total | 854 | 9 (1.1) [0.6–2.0] | 1 (0.1) [0.0–0.7] | 23 (4.8) | 25 (2.9) |
aDenominator included only males