Table 1.

Mortality parameters computed for each breed and their meaning. Further explanations can be found in the text

Mortality parameter	Explanation
Uncorrected mean lifespan	Average age at death with extrinsic causes of death excluded, all available data included until January 2021
Corrected mean lifespan	Average age at death with extrinsic causes of death excluded, data restricted to birth cohorts from 1988 to 2002
Bias in mean lifespan	Difference between corrected and uncorrected mean lifespan
Old age lifespan	Average age at death of dogs with the reported cause of death ‘old age (natural or euthanasia)’
% Old age mortality	Percentage of dogs dying of the reported cause of death ‘old age (natural or euthanasia)’
Cancer lifespan	Average age at death of dogs with the reported cause of death ‘tumor, cancer’
% Cancer mortality	Percentage of dogs dying of the reported cause of death ‘tumor, cancer’