Table 2.

Reactive samples were determined using the microscopic agglutination test (MAT) for each serovar of Leptospira spp., along with their respective titers, the prevalence of infection, and a 95% confidence interval in backyard pig sites in the state of Paraná, Brazil.

Serogroup	Serovar	Titer				Total of Reagent Samples	Occurrence (%)	95% CI
		100	200	400	800
Icterohaemorrhagiae	Icterohaemorrhagiae	68				68	4.88	3.75–6.01
	Copenhageni	5				5	0.36	0.04–0.67
Pyrogenes	Butembo	20	3	1		24	1.72	1.04–2.41
Pomona	Pomona	17	2		4	23	1.65	0.98–2.32
Australis	Patoc 1	10	4			14	1.01	0.48–1.53
Canicola	Bratislava	10	3			13	0.93	0.43–1.44
	Canicola	12				12	0.86	0.38–1.35
Tarassovi	Tarassovi	13				13	0.93	0.43–1.44
Sejroe	Wolffi	3		6	1	10	0.72	0.27–1.16
	Hardjo	2				2	0.14	0.00–0.34
Whitcombi	Whitcombi	10				10	0.72	0.27–1.16
Castellonis	Castellonis	4	5			9	0.65	0.22–1.07
Hebdomadis	Hebdomadis	6				6	0.43	0.09–0.77
Grippotyphosa	Grippotyphosa	6				6	0.43	0.08–0.77
Panama	Panama	6				6	0.43	0.08–0.77
Total		192	17	7	5	221	15.87	13.95–17.78

¹ Non-pathogenic serovar.