Table 4 Multivariable logistic regression results that includes breed for demographic risk factors evaluated for osteosarcoma during 2016 in dogs under primary veterinary care in the VetCompass™ Programme in the UK. Column percentages shown in brackets. ^aCI confidence interval. ~ count data too low to calculate

Breed

Crossbreed

Base

 < 0.001

Scottish Deerhound

118.40

41.12–340.95

 < 0.001

Leonberger

55.79

19.68–158.15

 < 0.001

Great Dane

34.24

17.81–65.83

 < 0.001

Rottweiler

26.67

18.57–38.29

 < 0.001

Greyhound

11.93

7.82–18.21

 < 0.001

Old English Sheepdog

9.76

3.05–31.29

 < 0.001

Bull Mastiff

9.21

3.33–25.48

 < 0.001

Standard Doberman Pinscher

6.23

2.49–15.58

 < 0.001

German Pointer

5.05

1.83–13.94

0.002

Lurcher

2.74

1.18–6.34

0.019

Golden Retriever

1.81

0.87–3.79

0.115

Boxer

1.58

0.68–3.66

0.288

Labrador Retriever

1.57

1.05–2.36

0.029

German Shepherd Dog

1.53

0.81–2.92

0.193

English Bulldog

1.51

0.37–6.21

0.565

English Springer Spaniel

1.21

0.62–2.37

0.571

Labradoodle

1.15

0.28–4.71

0.848

Husky

1.09

0.27–4.47

0.902

Breed type—Others

0.76

0.49–1.17

0.213

Staffordshire Bull Terrier

0.53

0.28–1.01

0.055

Beagle

0.52

0.07–3.72

0.511

Pug

0.46

0.06–3.32

0.440

West Highland White Terrier

0.29

0.09–0.92

0.036

Border Collie

0.21

0.05–0.84

0.028

Yorkshire Terrier

0.19

0.05–0.77

0.020

English Cocker Spaniel

0.18

0.04–0.74

0.017

Shih-tzu

0.12

0.02–0.87

0.035

Jack Russell Terrier

0.05

0.01–0.34

0.002

Bichon Frise

 ~ 

Border Terrier

 ~ 

Cavalier King Charles Spaniel

 ~ 

Chihuahua

 ~ 

Cockapoo

 ~ 

French Bulldog

 ~ 

Lhasa Apso

 ~ 

Miniature Schnauzer

 ~ 

Pomeranian

 ~ 

Bodyweight relative to breed mean

Lower

Base

 < 0.001

Equal/Higher

1.65

1.27–2.13

 < 0.001

Uncategorised

1.43

1.05–1.94

0.021

Age (years)

 < 4.0

0.15

0.07–0.35

 < 0.001

4.0—< 6.0

Base

 < 0.001

6.0—< 8.0

3.25

1.95–5.42

 < 0.001

8.0—< 10.0

6.80

4.20–11.00

 < 0.001

10.0—< 12.0

7.89

4.83–12.88

 < 0.001

12.0—< 14.0

7.22

4.20–12.40

 < 0.001

 ≥ 14.0

8.01

4.33–14.8

 < 0.001

Uncategorised

0.53

0.07–3.98

0.535

Insurance

Non-insured

Base

 < 0.001

Insured

1.71

1.33–2.22

 < 0.001