Table 2 Prevalence of the most common disorders at fine-level diagnostic precision in Shar Pei dogs (n = 1913) under primary veterinary care at practices participating in the VetCompass™ Programme in the UK from January 1st to December 31st, 2013. * P-value for prevalence comparison between male and female with two-proportion z-test

Entropion

342

17.88 (16.16 - 19.59)

19.76

16.04

0.039

1.38

Otitis externa

313

16.36 (14.70 - 18.02)

17.40

15.42

0.269

2.68

Ear disorder

128

6.69 (5.57 - 7.81)

5.80

7.46

0.174

3.11

Aggression

100

5.23 (4.23 - 6.22)

2.36

7.97

<  0.001

3.36

Pyoderma

82

4.29 (3.38 - 5.19)

4.73

3.88

0.425

2.16

Conjunctivitis

77

4.03 (3.14 - 4.91)

5.16

2.86

0.014

1.60

Dog bite injury

76

3.97 (3.10 - 4.85)

3.97

3.98

0.999

2.86

Cutaneous disorder

59

3.08 (2.31 - 3.86)

3.11

3.06

0.999

3.28

Shar Pei fever

58

3.03 (2.26 - 3.80)

2.90

3.17

0.837

4.45

Atopic dermatitis

57

2.98 (2.22 - 3.74)

3.44

2.55

0.317

4.65

Ulcerative keratitis

52

2.72 (1.99 - 3.45)

2.69

2.76

0.999

1.61

Pruritus

47

2.46 (1.76 - 3.15)

1.93

2.96

0.193

3.00

Skin mass

38

1.99 (1.36 - 2.61)

2.15

1.84

0.749

4.55

Corneal disorder

36

1.88 (1.27 - 2.49)

1.83

1.94

0.987

1.78

Diarrhoea

35

1.83 (1.23 - 2.43)

1.61

2.04

0.594

2.58

Pyotraumatic dermatitis

34

1.78 (1.19 - 2.37)

1.40

2.15

0.287

2.57

Laceration

34

1.78 (1.19 - 2.37)

1.83

1.74

0.999

4.56

Alopecia

30

1.57 (1.01 - 2.12)

1.40

1.74

0.679

2.13

Gastroenteritis

29

1.52 (0.97 - 2.06)

1.40

1.63

0.812

3.57

Pododermatitis

28

1.46 (0.93 - 2.00)

0.86

2.04

0.050

2.42

Dermatitis

26

1.36 (0.84 - 1.88)

1.40

1.33

0.999

4.29

Undesirable behaviour

25

1.31 (0.80 - 1.82)

1.18

1.43

0.782

3.25

Overgrown nails

25

1.31 (0.80 - 1.82)

1.83

0.82

0.082

5.08

Demodicosis

25

1.31 (0.80 - 1.82)

1.72

0.92

0.182

1.29

Allergy hypersensitivity disorder

24

1.25 (0.76 - 1.75)

1.29

1.23

0.999

2.72

Ocular discharge

23

1.20 (0.71 - 1.69)

1.40

1.02

0.589

1.65

Periodontal disease

23

1.20 (0.71 - 1.69)

1.07

1.33

0.765

6.81

Umbilical hernia

22

1.15 (0.67 - 1.63)

1.18

1.12

0.999

1.02

Vomiting

22

1.15 (0.67 - 1.63)

1.61

0.72

0.105

2.26

Traumatic claw injury

19

0.99 (0.55 - 1.44)

0.75

1.23

0.417

2.63