Table 1. W. bancrofti antigen and microfilaria prevalence in the surveyed communities.
Current study | |||||||
---|---|---|---|---|---|---|---|
Region | District | Community | Previous mf prevalence (%) (year) | No. tested for antigen* | % FTS+ (no.) | Mf+/ tested for mf | Mf prevalence estimatea |
Western | Nzema East | Agyan | 25.4 (1995), 9 (2012), 3.7 (2014) | 171 | 24.6 (42) | 2/24 | 2.0 |
Ellembelle | Ampain | n/a | 160 | 8.8 (14) | 1/11 | 0.8 | |
Sanwoma | 4.5 (2014) | 176 | 10.2 (18) | 0/15 | 0 | ||
Northern | Bole | Dugli | 5.7 (2014) | 105 | 21.0 (22) | 5/19 | 5.5 |
Sekyerekura | n/a | 58 | 22.8 (14) | 4/13 | 7.4 | ||
West Gonja | Nasoyiri | n/a | 75 | 20.0 (15) | 2/15 | 2.7 | |
Seyiri | 4.3 (2014) | 68 | 32.4 (22) | 1/21 | 1.5 | ||
Jidanzana | n/a | 99 | 0 (0) | nd | nd |
mf = microfilaria; n/a = not available; nd = not done
*12 participants in total had an invalid antigen test after two replicates
apopulation estimate based on mf prevalence in the antigen positive participants multiplied by the proportion antigen positive participants in the community.