TABLE 2.
Numbers and proportions of dogs achieving a typical life span (average expected age of 12 years) and an exceptional life span (age of≥15.6 years)
| Group | Total dogs | Dogs reaching typical life span | Dogs reaching exceptional life span | ||||
| N | n | %* | 95% CI | n | %† | 95% CI | |
| Longevity study | 39 | 35 | 89.7a | 74.8 to 96.7 | 11 | 28.20a | 15.6 to 45.1 |
| KC survey | 574 | 302 | 52.61ab | 48.4 to 56.8 | 24 | 4.18b | 2.8 to 6.3 |
| ‘Restricted’ | 24 | 17 | 70.83ab | 48.8 to 86.6 | 0 | 0b | NA |
| ‘Control’ | 24 | 7 | 29.16b | 13.4 to 51.3 | 0 | 0b | NA |
*Proportions (%) with different superscripts are significantly different, P<0.0001.
†Proportions (%) with different superscripts are significantly different, P<0.0001.
CI, confidence interval; KC, Kennel Club.