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Table 5 Colour variation among Labrador retrievers in their prevalence of the most common disorders at a fine-level of diagnostic precision recorded at UK primary-care veterinary practices participating in the VetCompassâ„¢ Programme from January 1st, 2013 to December 31st, 2013

From: Labrador retrievers under primary veterinary care in the UK: demography, mortality and disorders

Fine-level disorder

Overall prevalence %

Black prevalence %

Chocolate prevalence %

Yellow prevalence %

P-Value

Otitis externa

10.4

12.8

23.4

17.0

< 0.001

Overweight/obesity

8.8

13.0

15.4

16.7

0.272

Degenerative joint disease

5.5

10.7

6.7

8.8

0.152

Lameness

4.4

6.9

6.7

7.7

0.850

Periodontal disease

4.2

7.6

5.7

6.9

0.581

Lipoma

4.1

7.2

4.7

8.0

0.217

Vomiting

3.6

6.0

6.7

4.0

0.259

Diarrhoea

3.2

5.4

6.4

4.2

0.468

Conjunctivitis

2.7

4.3

5.0

4.5

0.900

Skin mass

2.5

3.8

4.7

3.5

0.701

Pruritus

2.1

2.9

4.7

3.2

0.371

Anal sac impaction

1.8

3.4

2.0

2.7

0.473

Pyoderma

1.7

2.9

4.0

2.1

0.349

Coughing

1.6

2.5

3.3

2.1

0.605

Stiffness

1.6

2.4

3.0

2.4

0.824

Undesirable behaviour

1.5

3.3

1.7

2.1

0.314

Pyo-traumatic dermatitis

1.4

1.1

4.0

1.6

0.011

Alopecia

1.3

2.0

3.0

1.3

0.303

Pododermatitis

1.3

1.4

3.0

1.9

0.284

Laceration

1.2

2.4

1.7

1.6

0.661

  1. The P-value reflects prevalence comparison between the three colours. (n = 2074)
  2. P-values in bold are statistically significant