. 2017 Feb 24;2(2):40–49. doi: 10.1016/j.parepi.2017.02.002

Table 1.

Prevalence of bovine trypanosomosis in tsetse infested and non-tsetse infested areas of Northwest Ethiopia in October 2011 and 2012.

Parameters	Group	% Positive in 2011	% Positive in 2012	95%CI b/n years
Parasite detection	Positive (tve) TT	17.59 (N = 324)^a	25.0 (N = 316)^b	0.437	0.939
Parasite detection	Positive (tve) NT	3.85 (N = 390)^c	5.93 (N = 405)^c	0.328	1.228
Parasite species	Tc TT	13.27 (N = 324)^a	18.67 (N = 316)^b	0.421	0.995
	Tv TT	3.70 (N = 324)^c	5.06 (N = 316)^c	0.309	1.436
	M TT	0.62 (N = 324)^c	1.27 (N = 316)^c	0.081	2.445
	Tv NT	3.85 (N = 390)^c	5.93 (N = 405)^c	0.328	1.228
Sex	Male tve TT	10.80 (N = 173)^a	19.30 (N = 193)^b	1.339	3.042
	Female tve TT	6.79 (N = 151)^a	15.69 (N = 123)^b	1.339	3.042
	Male tve NT	2.11 (N = 194)^c	2.96 (N = 196)^c	0.577	2.091
	Female tve NT	1.79 (N = 196)^c	2.96 (N = 209)^c	0.577	2.091
Age	Young tve TT	1.85 (N = 80)^a	7.28 (N = 113)^b	1.077	2.674
	Adult tve TT	15.74 (N = 244)^c	17.72 (N = 203)^c	1.077	2.674
	Young tve NT	1.28 (N = 133)^a	0.74 (N = 93)^a	0.710	3.470
	Adult tve NT	2.56 (N = 257)^a	5.19 (N = 312)^a	0.710	3.470

Tc-Trypanosoma congolense, Tv-Trypanosoma vivax, M-mixed (Tc and Tv), TT-tsetse infested area, NT-non-tsetse infested area, tve-positive. In each parameter of variables, superscripts with different letters indicate significant differences between values at P < 0.05.