Table 1. Crude endemicity levels of LF antigenaemia and microfilariaemia, and intensity of infection by Region, sex, and age group in Cameroon.
| No persons tested by ICT cards | Percentage of antigen positives (95%CI) | No persons examined for mf | Percentage of mf positives (95%CI) | Mf density (mf/ml) (95%CI) | |
|---|---|---|---|---|---|
| Overall | 10,943 | 3.3 (3.0–3.7) | 26,586 | 0.11 (0.08–0.16) | 1.19 (0.13–2.26) |
| By Region | |||||
| Adamawa | 724 | 1.7 (0.9–2.9) | 1,641 | 0.06 (0.01–0.34) | 0.07 (0.00–0.14) |
| Centre | 2,081 | 2.3 (1.7–3.0) | 4,431 | 0.23 (0.13–0.42) | 3.93 (0.00–9.53) |
| East | 998 | 8.0 (6.5–9.9) | 3,773 | 0.42 (0.26–0.68) | 3.75 (0.15–7.36) |
| Littoral | 1,194 | 2.4 (1.7–3.5) | 2,638 | 0.00 (0.00–0.15) | 0.00 (0.00–0.00) |
| North West | 1,679 | 6.7 (5.6–8.0) | 4,654 | 0.00 (0.00–0.08) | 0.00 (0.00–0.00) |
| South West | 1,448 | 1.2 (0.7–1.9) | 3,279 | 0.03 (0.01–0.17) | 0.01 (0.00–0.02) |
| South | 837 | 5.5 (4.2–7.3) | 1,962 | 0.00 (0.00–0.20) | 0.00 (0.00–0.00) |
| West | 1,982 | 1.0 (0.7–1.6) | 4,208 | 0.00 (0.00–0.09) | 0.00 (0.00–0.00) |
| By Sex | |||||
| Male | 5,313 | 3.8 (3.3–4.4) | 12,742 | 0.14 (0.09–0.22) | 2.03 (0.00–4.12) |
| Female | 5,630 | 2.8 (2.4–3.3) | 13,799 | 0.07 (0.04–0.13) | 0.41 (0.00–1.10) |
| By Age group | |||||
| 5–20 | 2,721 | 1.4 (1.0–2.0) | 10,609 | 0.08 (0.04–0.15) | 0.39 (0.00–0.87) |
| 21–30 | 1,897 | 3.6 (2.9–4.6) | 3,759 | 0.03 (0.01–0.16) | 0.01 (0.00–0.02) |
| 31–40 | 1,828 | 4.5 (3.6–5.5) | 3,533 | 0.08 (0.03–0.24) | 0.11 (0.00–0.27) |
| 41–50 | 1,707 | 3.4 (2.6–4.4) | 3,236 | 0.15 (0.06–0.35) | 1.57 (0.00–4.24) |
| > 50 | 2,790 | 4.1 (3.4–4.9) | 5,104 | 0.20 (0.11–0.37) | 4.29 (0.00–9.48) |