Table 3. Breed odds ratios of dogs diagnosed with HS at University of Tennessee Center of Veterinary Medicine between January 2008 and April 2014.

Breed	Dogs with HS	Dogs without HS	Odds ratio	Lower 95% CI	Upper 95% CI	Adjusted P value
Miniature schnauzer	12	667	4.8	2.4	8.8	<0.001
Golden retriever	13	896	3.9	2.0	7.0	0.003
Flat-coated retriever	3	22	34	6.4	115	0.005
Shar pei	4	63	16	4.1	44	0.006
Bernese mountain dog	3	49	15	3.0	48	0.042
Rottweiler	4	192	5.2	1.4	14	0.280
Mixed breed	14	5740	0.5	0.3	0.9	0.570
Standard poodle	2	137	3.6	0.4	13	1
Beagle	3	350	2.1	0.4	6.4	1
Bichon frise	2	238	2.0	0.2	7.7	1
Labrador	11	1488	1.9	0.9	3.5	1
English bulldog	2	305	1.6	0.2	5.9	1
German shepherd	4	623	1.6	0.4	4.2	1
Pomeranian	2	333	1.5	0.2	5.4	1
Cocker spaniel	2	410	1.2	0.1	4.4	1
Boxer	3	684	1.1	0.2	3.2	1

CI confidence interval, HS histiocytic sarcoma

Bonferroni-adjusted P values corrected for multiple comparisons, P<0.05 is considered significant

Bold values highlight over-represented breeds. The following breeds were diagnosed with one case each and had P values equal to 1: Norwich terrier, Keeshond, Bouvier des flandres, Alaskan malamute, Staffordshire terrier, English setter, German short-haired pointer, Australian shepherd, Greyhound, Australian cattle dog, Siberian husky, Walker hound, Boston terrier, springer spaniel, basset hound, Chihuahua, Maltese, Weimeraner, Doberman, American eskimo