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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

From: Modelling the distribution and transmission intensity of lymphatic filariasis in sub-Saharan Africa prior to scaling up interventions: integrated use of geostatistical and mathematical modelling

  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)