Table 1.

Prevalence of Dirofilaria immitis antigen at individual level in the positive kennels, n = 6

Kennel ID	No. of dogs examined	No. of dogs positive to Dirofilaria immitis antigen	Prevalence (%)	95 % confidence interval
1	20	5	25.0	9.6–49.4
2	93	5	5.3	2.0–12.7
3	46	3	6.5	1.7–18.9
4	94	6	4.2	2.6–13.9
5	94	4	4.2	1.4–11.2
6	9	1	11.0	0.6–49.3
Total	356	24