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Table 1 Evidence used in consensus for ‘Typical’ Labrador retriever lifespan based on reported ages at death with reference numbers in square brackets
| Reference material | Country | #Dogs | Median lifespan, years |
|---|---|---|---|
| Assistance dog databasea | US | 498 | 12.0 |
| Lawler et al. [2] | US | 48 | ‘Restricted’ group: 13.0 |
| Kealy et al. [19] | ‘Control’ group: 11.2 | ||
| Adams et al. [8] | UK | 574 | 12.25 |
| O’ Neill et al. [12] | UK | 418 | 12.5 |
| Michell [6] | UK | 328 | 12.6 |
| Proschowsky et al. [7] | Denmark | 199 | 10.5 |
| Typical lifespan of Labrador retrieversb | 12.0 | ||
