Heterogeneity in the prevalence and intensity of bovine trypanosomiasis in the districts of Amuru and Nwoya, Northern Uganda

Table 1 The prevalence and relative risks of trypanosome infections in cattle of different age categories and sex

Age / sex	N	n	n (%)	Odds ratio (95 % CI)	P-value
Age / sex	N	HCT	PCR	Odds ratio (95 % CI)	P-value
Calves (<12 months)	133	09	09 (7)	1.0	reference
Young females (12–48 months)	136	23	48 (35)	5.1 (2.1–9.8)	< 0.001
Young males (12–48 months)	136	27	49 (36)	5.2 (2.4–10.2)	< 0.001
Cows (> 48 months)	168	48	71 (42)	6.1 (3.8–9.1)	0.001
Bulls and oxen (> 48 months)	243	71	161 (66)	10.0 (5.6–17.9)	< 0.001
Total	816	178 (22)^IR-HCT	338 (41)^IR-PCR

N number of animals examined, n number of positive animals, (%) percentage of animals infected, ^IR-HCT the overall infection rate by HCT, ^IR-PCR the overall infection rate by PCR. Calves (< 12 months) were used as a reference category

ISSN: 1746-6148