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Table 3 Mean ages and body weights for the three longevity groups of dogs in July 2004
| Longevity category | N | Mean body weight (kg) | SD | Min–max | Mean age (years) | SD | Min–max |
|---|---|---|---|---|---|---|---|
| Expected (≥9 to ≤12.9 years) | 13 | 29.4 | 4.6 | 20.2–37.40 | 6.5* | 0.6 | 5.3–7.6 |
| Long (≥13 to ≤15.5 years) | 15 | 29.4 | 4.3 | 21.1–41.4 | 6.4# | 0.9 | 5.4–7.9 |
| Exceptional (≥15.6 years) | 11 | 26.8 | 3.7 | 19.2–33.1 | 7.4*# | 0.8 | 6.0–8.5 |
