![]() ![]() Cohort life tables can inform the mortality situation of cohorts, but the data for current life tables are generally easier to be collected 8. Both types of life tables have their importance. Cohort life tables have also been constructed using a hypothetical (i.e., not pre-determined) cohort 9, 10. There are two main types of life tables: (a) a cohort life table, which summarises the actual mortality experience of a group of individuals (the cohort) from the birth of the first to the death of the last member of the cohort, and (b) a current life table, which provides cross-sectional mortality and survival experience of a population during a single or few current years 8. A life table provides much more detailed information and inference than a single summary average age at death across all ages 7. Instead of offering a single value for the average age of at death, a life table is a tabulated expression of life expectancy and probability of death at different age groups of a given population. Among companion dogs died between 20 in the UK, the median age at death was estimated to be 12.0 years, and the median age at death for various breeds ranged from Dogue de Bordeaux at 5.5 years (IQR: 3.3–6.1 n = 21) to Miniature Poodle at 14.2 years (IQR: 11.1–15.6 n = 20) 1. To date, much of the research on dog life expectancy has focused on reporting average overall ages at death in dogs that have been selected using referral or first opinion veterinary caseloads 1, 3, insurance databases 4 or owner questionnaires 5, 6. For example, existing and potential dog owners can develop realistic expectations for the typical remaining life period of their dogs through the knowledge of life expectancy. The current study helps promote further understanding of life expectancy, which will benefit pet owners and the veterinary profession, along with many other sectors.Ī deeper understanding of life expectancies at different ages within the United Kingdom (UK) companion dog population, further categorised by sex and breed, is critical to the improvement of canine welfare and health management 1, 2. Life tables generated by the current study allow a deeper understanding of the varied life trajectory across many types of dogs and offer novel insights and applications to improve canine health and welfare. Jack Russell Terrier (12.72 years 95% CI: 12.53–12.90) and French Bulldog (4.53 years 95% CI: 4.14–5.01) had the longest and shortest life expectancy at age 0, respectively. ![]() Life tables varied widely between breeds. Among 30,563 dogs that died between 1st January 2016 and 31st July 2020, life expectancy at age 0 was 11.23 years. This study utilised VetCompass data to develop life tables for the UK companion dog population and broken down by sex, Kennel Club breed group, and common breeds. A life table is a tabulated expression of life expectancy and mortality-related information at specified ages in a given population. ![]()
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