Table 1 Population demographics for dogs enrolled in this study

Number of dogs

52

27

25

26

27

Age^* (years)

4.0 (1–10)

5.0 (<1-12)

8.5 (2–12)

5.8 (1–16)

11.0 (<1-16)

Sex

  Male

61.5% (n = 32)

44.4% (n = 12)

52.0% (n = 13)

42.3% (n = 11)

48.1% (n = 13)

  Female

39.2% (n = 20)

55.6% (n = 15)

48.0% (n = 12)

57.7%(n = 15)

52.9% (n = 14)

Breed sizes

  Small (<10 kg)

23.1% (n = 12)

18.6% (n = 5)

56.0% (n = 14)

23.1% (n = 6)

59.3% (n = 16)

  Medium (10–20 kg)

42.3% (n = 22)

33.3% (n = 9)

20.0% (n = 5)

23.1% (n = 6)

7.4% (n = 2)

  Large (>20 kg)

34.6% (n = 18)

48.1% (n = 13%)

24.0% (n = 6)

53.8% (n = 14)

33.3% (n = 9)