Observations on breed and sex in relation to canine heart valve incompetence

Authors

  • M. V. THRUSFIELD,

    1. *Department of Animal Health, University of Edinburgh, Royal (Dick) School of Veterinary Studies, Veterinary Field Station, Easter Bush, Roslin, Midlothian, EH25 9RG
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  • C. G. G. AITKEN,

    1. †Department of Statistics, University of Edinburgh, James Clerk Maxwell Building, The King's Buildings, Mayfield Road, Edinburgh, EH9 3JZ
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  • P. G. G. DARKER

    1. ‡Small Animal Practice Teaching Unit, Royal (Dick) School of Veterinary Studies, Summerhall, Edinburgh, EH9 1QH
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ABSTRACT

The association between breed, sex and canine heart valve incompetence was investigated by means of an observational study of a veterinary clinic population. Odds ratio estimations revealed statistically significant positive associations between some small and medium-sized breeds and heart valve incompetence, and significant negative associations between some large breeds and heart valve incompetence. The log odds, determined for each breed and sex, indicated that males were more susceptible than females.

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