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

From: Correction to: 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)

1.10

(0.25–4.83)

0.899

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)

3.33

(1.57–7.62)

0.002

Golden retriever

7 (11.9)

1.57

(0.62–3.94)

0.338

2 (7.41)

5.78

(0.81–41.10)

0.080

9 (10.5)

2.23

(0.97–5.13)

0.058

Labrador retriever

19 (32.2)

3.42

(1.68–6.94)

0.001

9 (33.33)

23.83

(5.14–110.51)

< 0.001

28 (32.6)

5.79

(3.07–10.91)

< 0.001

Rottweiler

4 (6.8)

1.79

(0.58–5.52)

0.309

8 (29.63)

37.18

(7.87–175.58)

< 0.001

12 (14.0)

5.59

(2.60–11.99)

< 0.001

Staff. bull terrier

6 (10.2)

2.80

(1.06–7.41)

0.038

1 (3.7)

2.86

(0.25–31.54)

0.392

7 (8.1)

2.75

(1.12–6.77)

0.027

SLU

59 (68.9)

       

59 (45.0)

1.00

Ref.

NMBU

    

27 (60.0)

   

27 (20.6)

0.56

(0.35–0.90)

0.015

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

(0.03–1.59)

0.133

CKCS

0 (0.0)

2 (4.0)

1.21

(0.27–5.36)

0.805

2 (1.6)

0.29

(0.07–1.20)

0.087

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)

0.15

(0.04–0.63)

0.009

English cocker spaniel

0 (0.0)

1 (2.0)

0.62

(0.08–4.76)

0.648

1 (0.8)

0.15

(0.02–1.08)

0.059

German shepherd dog

0 (0.0)

1 (2.0)

0.57

(0.07–4.34)

0.585

1 (0.8)

0.09

(0.01–0.64)

0.016

Golden retriever

7 (9.7)

0.64

(0.28–1.45)

0.280

5 (10.0)

2.22

(2.22–1.17)

0.130

12 (9.8)

1.02

(0.54–1.93)

0.959

Jack russel terrier

7 (9.7)

1.51

(0.66–3.43)

0.330

2 (4.0)

0.94

(0.21–4.19)

0.940

9 (7.4)

1.30

(0.63–2.67)

0.473

Labrador retriever

6 (8.3)

0.44

(0.18–1.05)

0.065

7 (14.0)

2.85

(1.13–7.17)

0.026

13 (10.7)

0.92

(0.49–1.72)

0.795

Rottweiler

12 (16.7)

2.18

(1.12–4.27)

0.022

12 (24.0)

8.58

(3.89–18.91)

< 0.001

24 (19.7)

3.78

(2.29–6.25)

< 0.001

Shetland sheepdog

3 (4.17)

0.58

(0.18–1.91)

0.373

0 (0.0)

3 (2.5)

0.56

(0.17–1.81)

0.332

Staff. bull terrier

4 (5.6)

0.76

(0.27–2.16)

0.605

5 (10.0)

2.20

(0.78–6.18)

0.136

9 (7.4)

1.18

(0.58–2.42)

0.651

SLU

72 (50.3)

       

72 (27.7)

1.00

Ref.

NMBU

    

50 (42.7)

   

50 (19.2)

0.65

(0.45–0.94)

0.023

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

(0.06–3.33)

0.423

3 (14.3)

2.94

(0.78–11.11)

0.112

4 (8.2)

1.25

(0.43–3.66)

0.681

Chihuahua

9 (34.6)

1.96

(0.83–4.59)

0.123

8 (38.1)

4.43

(1.66–11.82)

0.003

17 (36.2)

2.8

(1.47–5.32)

0.002

Jack russel terrier

1 (3.9)

0.53

(0.07–4.06)

0.541

0 (0.0)

1 (2.1)

0.31

(0.42–2.30)

0.252

Shetland sheepdog

2 (7.7)

0.96

(0.22–4.25)

0.953

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)

0.56

(0.13–2.40)

0.435

SLU

26 (36.1)

       

26 (19.8)

1.00

Ref.

NMBU

    

21 (35.6)

   

21 (16.0)

0.72

(0.40–1.29)

0.272

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

(0.04–2.23)

0.238

0 (0.0)

1 (2.5)

0.23

(0.31–1.71)

0.151

Chihuahua

3 (13.0)

0.45

(0.13–1.51)

0.195

6 (35.3)

2.95

(1.05–8.31)

0.041

9 (22.5)

1.09

(0.51–2.32)

0.822

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)

0.478

SLU

23 (48.9)

       

23 (20.2)

1.00

Ref.

NMBU

    

17 (25.4)

   

17 (14.9)

0.62

(0.33–1.16)

0.132

Other breeds

24 (51.1)

   

50 (74.6)

   

74 (64.9)

   

Total

47 (100.0)

   

67 (100.0)

   

114 (100.0)

   
  1. Results from county-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 referent category