Table 3. Pooled prevalence of brucellosis seropositivity in animals and humans.

Category		Subgroup	Nr	Ns	Prevalence, 95%CI			P	TP, 95% CI
Animals	Species	Camel	14	14970	2.6	1.8	3.7	0.0001	2.9	2.0	4.1
		Cattle	23	25579	2.7	1.8	3.7	0.0001	2.9	1.9	3.9
		Goat	21	15957	4.5	3.0	6.4	0.0001	5.3	3.5	7.5
		Sheep	19	13261	2.3	1.5	3.4	0.0001	2.7	1.8	3.4
	Puberty	Post P	39	33985	3.8	2.9	4.7	0.0001	4.2	3.2	5.2
		Pre P	26	9775	1.3	0.8	1.7	0.0001	1.4	0.9	1.9
	Sex	Female	49	43475	3.4	2.7	4.1	0.0001	3.8	3.0	4.6
		Male	39	22459	1.9	1.4	2.4	0.0001	2.1	1.6	2.7
	Breed C	Cross	11	8561	3.1	1.6	4.9	0.0001	3.3	1.7	5.2
		Local	15	14627	2.6	1.6	3.7	0.0001	2.8	1.7	3.9
	System	Mixed	19	17328	1.5	1.1	2.1	0.0001	1.7	1.2	2.3
		Pastoral	30	36239	4.2	3.1	5.4	0.0001	4.7	3.4	6
		Si/I	12	9748	3.1	1.8	4.7	0.0001	3.4	2.0	5.2
Humans†	System	Pastoral	3	396	21.1	11.3	33	0.0001	17.4	12.9	22.4
		Sedentary	4	570	3.6	1.7	6	0.0001	3.1.	0.9	6.5
	Occupation	SBHP	4	445	2.1	0.2	5.9	0.003	1.2	0	5.7
		Overall	10	2223	6.4	3.3	11	0.0001	6.7	2.4	12.8

Breed C, cattle breed; Mixed-CL, mixed crop livestock production system; Nr, number of reports; Ns, number of samples; Post P, post pubertal; Pre P, pre pubertal; Si/I, semi intensive and intensive production system; SBHP, slaughterhouse personnel, butchers, animal health and production workers; TP, True prevalence.

^†The True Prevalence estimates were calculated based on RBT-CFT data.