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Table 2 List of purebreds by AKC group and Ancestral group, including Median Survival Time (MST) in years and 95% Confidence Intervals

From: Lifespan of companion dogs seen in three independent primary care veterinary clinics in the United States

AKC Group N % MST (95% CI)
 Herding 1076 8.8% 15.2 (14.8–16.1)
 Hound 1704 14.0% 15.6 (15.2–16.2)
 Non-Sporting 1394 11.4% 15.4 (15.2–16.1)
 Sporting 3067 25.2% 14.6 (14.2–14.9)
 Terrier 937 7.7% 15.8 (15.4-NA)
 Toy 2795 23.0% 16.2 (15.9–16.7)
 Working 1205 9.9% 14.2 (13.0–16.1)
Ancestral Group N %  
 Ancient 255 2.5% 15.6 (14.2-NA)
 Herding-Sighthound 1197 11.8% 14.9 (14.3–15.7)
 Mastiff-Terrier 4288 42.3% 15.1 (14.9–15.9)
 Modern 4143 40.9% 16.0 (15.6–16.2)
 Mountain 258 2.5% 11.4 (11.1-NA)