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Table 4 Multivariable logistic regression results for variables that replaced breed

From: Corneal ulcerative disease in dogs under primary veterinary care in England: epidemiology and clinical management

Variable Category Odds ratio 95% CIa P-value
Purebred status Crossbred Base   
Purebred 2.23 1.84–2.87 < 0.001
Spaniel-brachycephalic Crossbred Base   
  Spaniel 3.13 2.38–4.12 < 0.001
Brachycephalic 11.18 8.72–14.32 < 0.001
Purebred other 1.42 1.12–1.79 0.003
Kennel Club Breed Groups Breed not Kennel Club recognised Base   
  Toy 3.52 2.82–4.39 < 0.001
Utility 3.99 3.16–5.03 < 0.001
Terrier 1.83 1.44–2.35 < 0.001
Gundog 0.97 0.75–1.25 0.811
Hound 1.04 0.66–1.64 0.860
Pastoral 0.83 0.56–1.22 0.343
Working 3.64 2.76–4.79 < 0.001
Adult (> 9 months) bodyweight (kg) < 10.0 1.88 1.47–2.41 < 0.001
10.0–19.9 1.70 1.33–2.18 < 0.001
20.0–29.9 1.26 0.96–1.64 0.090
30.0–39.9 Base   
≥ 40.0 0.69 0.45–1.05 0.086
Not available 0.73 0.53–1.02 0.064
  1. Results for variables that replaced the breed variable in the final multivariable logistic regression model (with age category and insurance status) to evaluate risk factors associated with a diagnosis of corneal ulcerative disease in dogs attending primary-care veterinary practices in England
  2. aCI confidence interval