Table 1 Summary of data on the prevalence of microfilaraemia (mf) and prevalence of antigenaemia, based on immuno-chromatographic card test (ICT) by region and time period. Median and inter-quartile range (IQR) are presented
| Â | Mf prevalence | ICT prevalence | ||||||
|---|---|---|---|---|---|---|---|---|
|  | 1950–1969 | 1970–1989 | 1990–onwards | 1990–onwards | ||||
Region | N | Median (IQR) | N | Median (IQR) | N | Median (IQR) | N | Median (IQR) |
Eastern | 46 | 14.1 (2.6–34.6) | 109 | 15.8 (4.6–30.2) | 137 | 11.5 (2.8–21.6) | 2002 | 0 (0–1) |
Middle | 21 | 0 (0–2.7) | 38 | 0 (0–0) | 31 | 1 (0–1.2) | 564 | 1 (0–5.5) |
Northern | 3 | 22 (0–26.8) | 1 | 10 | - | - | - | - |
Western | 304 | 6.8 (1.2–21.7) | 190 | 7.3 (2–15.9) | 265 | 6.3 (1.2–15.1) | 629 | 6 (0–26) |
Total | 374 | 7.1 (1.1–22) | 338 | 8.1 (0.8–18.9) | 433 | 6.5 (1.2–17) | 3195 | 0 (0–4.8) |