Table 2 Comparison of dog breed and age groups in dogs of all ages that tested positive for D. immitis by at least one testing modality
Category | No. of dogs tested | No. of dogs positive for D. immitis (%) |
|---|---|---|
Breed group | ||
 Herding | 24 | 12 (50.0) |
 Hound | 3 | 2 (66.6) |
 Nonsporting | 3 | 1 (33.3) |
 Other | 6 | 0 (0.0) |
 Sporting | 22 | 10 (45.5) |
 Terrier | 38 | 10 (26.3) |
 Toy | 65 | 29 (44.6) |
 Working | 17 | 6 (35.3) |
 Total | 178 | 70 (39.3) |
Age group | ||
  < 6 months | 21 | 6 (28.5) |
 6–12 months | 18 | 10 (55.6) |
 1–5 years | 116 | 50 (43.1) |
  > 5 years | 23 | 4 (17.4) |
 Total | 178 | 70 (39.3) |