Impact of Eighteen-Year Varied Compliance to Onchocerciasis Treatment with Ivermectin in Sentinel Savannah Agrarian Communities in Kaduna State of Nigeria

Table 2

Pretreatment age specific prevalence and intensity of microfilariae and palpable nodules in study population.

Age group	𝑁	Mf^ano. (%) +ve	GM^b	Nodule No. (%) +ve
15–19 yrs	90	12 (11.1)	1.3	1 (1.1)
20–29 yrs	151^c	56 (37.1)	2.7	7 (6.0)
30–39 yrs	108	46 (45.4)	3.8	13 (13.0)
40–49 yrs	67	33 (49.3)	4.5	18 (26.9)
50–59 yrs	52	17 (32.7)	2.6	17 (32.7)
≥60 yrs	63	36 (57.1)	5.4	27 (42.9)

aMf: microfilariae, ^bGM: geometric mean (calculated as 𝐞^{Σlog(count+1)/𝑛)}, and ^cone person refused to be skin snipped.