Differential susceptibility of Onchocerca volvulus microfilaria to ivermectin in two areas of contrasting history of mass drug administration in Cameroon: relevance of microscopy and molecular techniques for the monitoring of skin microfilarial repopulation within six months of direct observed treatment

Table 2 Screened participants positive for O. volvulus Mf in the Melong HD

Variables	Study populations	Number examined	Number positive	Percentage (%)	p – value (x² test)
Gender	Male	283	44	15.5	0.005
	Female	316	26	8.2	0.005
	Total	599	70	11.7
Age group	Children (5–19 years)	132	15	11.4	0.896
	Adults (≥20 years) (	467	55	11.8	0.896
	Total	599	70	11.7
Community	Mounko	60	4	6.7	0.002
	Manjibo	51	12	23.5
	Singa/Mbie/Barembeng2/Longze	104	10	9.6
	Ndoumbot/Ntangtom	55	14	25.5
	Nkoniakoniama/Nkonianke/Nkoniambot	87	7	8.0
	Ndom-Bakem	79	10	12.7
	Barembeng1	101	8	7.9
	Mpaka	62	5	8.1
	Total	599	70	11.7

ISSN: 1471-2334