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Table 5 Results from the logistic regression analyses of breed susceptibility for four common orthopaedic diseases in 12 dog breeds

From: Breed susceptibility for common surgically treated orthopaedic diseases in 12 dog breeds

a) Elbow dysplasia

Breed

SLU

NMBU

Combined

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

Mixed-breed

13 (22.0)

1.00

Ref.

–

2 (7.41)

1.00

Ref.

–

15 (17.4)

1.00

Ref.

–

Flat-coated retriever

0 (0.0)

–

–

–

2 (7.41)

12.24

(1.72–87.18)

0.012

2 (2.3)

1.13

(0.26–4.96)

0.872

German shepherd dog

10 (17.0)

2.15

(0.94–4.92)

0.070

3 (11.11)

11.06

(1.84–66.35)

0.009

13 (15.1)

3.31

(1.56–7.02)

0.002

Golden retriever

7 (11.9)

1.60

(0.63–4.02)

0.319

2 (7.41)

5.78

(0.81–41.10)

0.080

9 (10.5)

2.26

(0.98–5.18)

0.055

Jack Russel terrier

0 (0.0)

–

–

–

0 (0.0)

–

–

–

0 (0.0)

–

–

–

Labrador retriever

19 (32.2)

3.39

(1.67–6.89)

0.001

9 (33.33)

23.83

(5.14–110.51)

< 0.001

28 (32.6)

5.73

(3.04–10.81)

< 0.001

Rottweiler

4 (6.8)

1.81

(0.59–5.59)

0.298

8 (29.63)

37.18

(7.87–175.58)

< 0.001

12 (14.0)

5.63

(2.62–12.07)

< 0.001

Staff. bull terrier

6 (10.2)

3.47

(1.31–9.19)

0.012

1 (3.7)

2.86

(0.25–31.54)

0.392

7 (8.1)

3.08

(1.25–7.59)

0.014

SLU

59 (68.9)

       

59 (45.0)

1.00

Ref.

–

NMBU

    

27 (60.0)

   

27 (20.6)

0.52

(0.33–0.83)

0.006

Other breeds

27 (31.1)

   

18 (40.0)

   

45 (34.4)

   

Total

86 (100.0)

   

45 (100.0)

   

131 (100.0)

   

b) Cranial cruciate ligament disease

Breed

SLU

NMBU

Combined

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

Mixed-breed

32 (44.4)

1.00

Ref.

–

13 (26.0)

1.00

Ref.

–

45 (36.9)

1.00

Ref.

–

Border collie

0 (0.0)

–

–

–

1 (2.0)

0.79

(0.10–6.05)

0.820

1 (0.8)

0.22

(0.03–1.61)

0.136

CKCS

0 (0.0)

–

–

–

2 (4.0)

1.21

(0.27–5.36)

0.805

2 (1.6)

0.30

(0.07–1.23)

0.096

Chihuahua

1 (1.39)

0.09

(0.01–0.65)

0.017

1 (2.0)

0.34

(0.04–2.61)

0.299

2 (1.6)

0.16

(0.04–0.66)

0.011

English cocker spaniel

0 (0.0)

–

–

–

1 (2.0)

0.62

(0.08–4.76)

0.648

1 (0.8)

0.15

(0.02–1.11)

0.064

German shepherd dog

0 (0.0)

–

–

–

1 (2.0)

0.57

(0.07–4.34)

0.585

1 (0.8)

0.10

(0.01–0.70)

0.021

Golden retriever

7 (9.7)

0.65

(0.29–1.48)

0.302

5 (10.0)

2.22

(2.22–1.17)

0.130

12 (9.8)

1.09

(0.57–2.07)

0.796

Jack Russel terrier

7 (9.7)

1.51

(0.66–3.44)

0.329

2 (4.0)

0.94

(0.21–4.19)

0.940

9 (7.4)

1.29

(0.62–2.64)

0.495

Labrador retriever

6 (8.3)

0.44

(0.18–1.04)

0.062

7 (14.0)

2.85

(1.13–7.17)

0.026

13 (10.7)

1.00

(0.54–1.85)

0.991

Rottweiler

12 (16.7)

2.21

(1.13–4.33)

0.020

12 (24.0)

8.58

(3.89–18.91)

< 0.001

24 (19.7)

3.96

(2.39–6.56)

< 0.001

Shetland sheepdog

3 (4.17)

0.59

(0.18–1.92)

0.376

0 (0.0)

–

–

–

3 (2.5)

0.60

(0.19–1.95)

0.401

Staff. bull terrier

4 (5.6)

0.94

(0.33–2.67)

0.908

5 (10.0)

2.20

(0.78–6.18)

0.136

9 (7.4)

1.27

(0.62–2.62)

0.513

SLU

72 (50.3)

       

72 (27.7)

1.00

Ref.

–

NMBU

    

50 (42.7)

   

50 (19.2)

0.60

(0.42–0.87)

0.007

Other breeds

71 (49.7)

   

67 (57.3)

   

138 (53.1)

   

Total

143 (100.0)

   

117 (100.0)

   

260 (100.0)

   

c) Medial patellar luxation

Breed

SLU

NMBU

Combined

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

Mixed-breed

13 (50.0)

1.00

Ref.

–

8 (38.1)

1.00

Ref.

–

21 (44.7)

1.00

Ref.

–

CKCS

1 (3.9)

0.44

(0.06–3.35)

0.425

3 (14.3)

2.94

(0.78–11.11)

0.112

4 (8.2)

1.25

(0.43–3.66)

0.679

Chihuahua

9 (34.6)

1.97

(0.83–4.61)

0.120

8 (38.1)

4.43

(1.66–11.82)

0.003

17 (36.2)

2.80

(1.47–5.32)

0.002

Jack Russel terrier

1 (3.9)

0.53

(0.07–4.06)

0.248

0 (0.0)

–

–

–

1 (2.1)

0.31

(0.42–2.30)

0.252

Shetland sheepdog

2 (7.7)

0.96

(0.21–4.27)

0.957

0 (0.0)

–

–

–

2 (4.3)

0.81

(0.19–3.49)

0.782

Staff. bull terrier

0 (0.0)

–

–

–

2 (9.5)

1.43

(0.30–6.74)

0.652

2 (4.3)

0.62

(0.14–2.65)

0.518

SLU

26 (36.1)

       

26 (19.8)

1.00

Ref.

–

NMBU

    

21 (35.6)

   

21 (16.0)

0.67

(0.38–1.20)

0.181

Other breeds

46 (63.9)

   

38 (64.4)

   

84 (64.1)

   

Total

72 (100.0)

   

59 (100.0)

   

131 (100.0)

   

d) Fractures of the radius and ulna

Breed

SLU

NMBU

Combined

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

N (%)

OR

95% CI

P

Mixed-breed

19 (82.6)

1.00

Ref.

–

9 (52.9)

1.00

Ref.

–

28 (70.0)

1.00

Ref.

–

CKCS

1 (4.4)

0.30

(0.04–2.24)

0.240

0 (0.0)

–

–

–

1 (2.5)

0.23

(0.32–1.71)

0.152

Chihuahua

3 (13.0)

0.45

(0.13–1.52)

0.197

6 (35.3)

2.95

(1.05–8.31)

0.041

9 (22.5)

1.09

(0.51–2.33)

0.816

Shetland sheepdog

0 (0.0)

–

–

–

2 (11.8)

3.04

(0.65–14.11)

0.156

2 (5.0)

0.59

(0.14–2.51)

0.480

SLU

23 (48.9)

       

23 (20.2)

1.00

Ref.

–

NMBU

    

17 (25.4)

   

17 (14.9)

0.58

(0.30–1.09)

0.090

Other breeds

24 (51.1)

   

50 (74.6)

   

74 (64.9)

   

Total

47 (100.0)

   

67 (100.0)

   

114 (100.0)

   
  1. Results from country-stratified and combined logistic regression analyses presented as Odds ratios (OR) and 95% confidence intervals (CIs). Breeds without cases of the disease in question were omitted
  2. CKCS Cavalier king Charles spaniel, SLU Swedish University of Agricultural Sciences, NMBU Norwegian University of Life Sciences, ref reference category
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Acta Veterinaria Scandinavica

ISSN: 1751-0147