The Demographics of Canine Hip Dysplasia in the United States and Canada

Table 5

Comparisons between DDH and CHD.

(a)

Human DDH						Canine CHD
Race	Incidence per 1000 births	% M	% F	% bilateral	% unilateral	AKC groups	Prevalence	% bilateral	% unilateral	FCI groups	Prevalence	% bilateral	% unilateral
Indigenous peoples						Sporting dogs	15.03	66.03	33.87	Sheep and cattle	15.19	64.6	35.4
Native American	95.0	30	70	50	50	Retrievers	16.52	65.68	34.32	Pinscher schnauzer, molossoid, and Swiss mountain/cattle dog	20.43	69.3	30.7
Sami	40.0					Movers/flushers	12.71	68.7	31.3	Terrier	14.91	74.9	25.1
Aboriginal	3.7					Pointers/setters	12.13	65.96	34.04	Spitz and primitive	10.00	70.0	30.0
						Versatile sporting	8.42	60.16	39.84	Scent hounds	10.13	69.9	30.7
Caucasian						Herding	15.23	64.65	35.35	Pointing dogs	10.46	65.0	35.0
Eastern Europe	44.2	21	79	19	81	Working	18.04	68.85	31.15	Retrievers, flushers, and water dogs	10.91	66.2	33.8
Mediterranean Islands	14.3					Nonsporting	13.54	71.06	28.94	Companion and toy dogs	15.87	69.5	30.5
Australia/New Zealand	12.0	16	84	43	57	Terrier	12.59	73.86	66.14	Sighthounds	13.52	55.0	45.0
Western Europe	8.1	21	79	19	81	Toy	16.43	72.51	27.49
United Kingdom	8.0					Hound	10.52	69.05	30.95
Scandinavia	7.3	21	79	41	59	Scent hounds	12.97	71.0	29.0
South America	4.6	24	76			Sighthounds	4.64	54.2	45.8
North America	0.8	19	81	13	87
Indo-Mediterranean	5.5	21	79	50	50
Indo-Malay	0.4
Africans
North America	0.5
Africa	0.1

(b)

Seasonal variation		%	Seasonal variation		%
Single winter peak	16,425	70.3	Autumn (Sept-Nov)	20,276	2.93
Single summer peak	1,280	5.5	Winter (Dec–Feb)	312,202	45.27
Spring and autumn peaks	3,450	14.8	Spring (March–May)	229,925	33.23
No variation	2,205	9.4	Summer (June–Aug)	0	0
			No variation	128422	18.56

Data extracted from [5].
Data extracted from [6].
Present study.