Table 2. Distribution of breeds diagnosed with PRAs relative to the total number of affected animals and their respective of odds ratio (2014–2018).

Breed	Number of diseased animals	% diseased dogs	Odds ratio	Confidence interval
UB	27	20.77	0.81	0.52–1.25
Toy Poodle	26	20.00	2.23	1.42–3.51
Cocker Spaniel	19	14.62	4.16	2.43–7.13
Lhasa Apso	13	10.00	0.84	0.47–1.52
Labrador Retriever	9	6.92	4.13	1.94–8.82
Pomeranian	5	3.85	15.36	4.39–53.76
Shih Tzu	4	3.08	0.32	0.12 - 0.87
Yorkshire Terrier	4	3.08	0.57	0.21–1.58
Dachshund	4	3.08	2.32	0.80–6.75
Maltese	4	3.08	1.58	0.55–4.49
Miniature Pinscher	3	2.31	0.48	0.15–1.54
American Pit Bull Terrier	3	2.31	2.14	0.63–7.28
Bichon Frisé	2	1.54	5.00	1.00–25.01
Brazilian Terrier	2	1.54	10.01	1.66–60.45
Beagle	1	0.77	0.38	0.05–2.83
Chow Chow	1	0.77	0.67	0.09–5.01
Pug	1	0.77	0.23	0.03–1.67
Miniature Schnauzer	1	0.77	0.44	0.06–3.28
Whippet	1	0.77	4.97	0.51–48.08
Total	130	100	-	-