Table 1 Distribution of age, bodyweight, sex, and living environment among the 3 breed groups of healthy dogs

Age mean (min-max)

5.8 (0.8–11.3)

3.9 (0.6–9.2)

6.8 (2.6–10.8)

Age classes n, %

class 1: 5, 23%

class 1: 5, 42%

class 1: 0, 0%

class 2: 13, 59%

class 2: 6, 50%

class 2: 10, 83%

class 3: 4, 18%

class 3: 1, 8%

class 3: 2, 17%

Bodyweight mean (min-max), kg

28 (14.8–41)

13.1 (6.8–21.4)

7.1 (2.9–10)

Female n, %

14, 64%

5, 42%

7, 58%

City n, %

7, 32%

4, 33%

3, 25%