Table 4.

Comparison of the prevalence of the most common disorders at a fine-level of diagnostic precision between French Bulldogs aged under 2 years (n = 1486) and aged at/above 2 years (n = 714) attending UK primary-care veterinary practices participating in the VetCompass™ Programme from January 1st, 2013 to December 31st, 2013

Fine-level disorder	Median age (years) of affected dogs	Count (%) at < 2 years	Count (%) at ≥2 years	P-value
Otitis externa	1.75	172 (11.6)	140 (19.6)	<  0.001
Diarrhoea	0.95	142 (9.6)	24 (3.4)	<  0.001
Conjunctivitis	1.36	50 (3.4)	21 (2.9)	0.599
Nails overlong	1.33	46 (3.1)	23 (3.2)	0.874
Skin fold dermatitis	1.88	36 (2.4)	30 (4.2)	0.022
Anal sac impaction	1.81	36 (2.4)	28 (3.9)	0.050
Upper respiratory tract (URT) infection	1.71	28 (1.9)	19 (2.7)	0.238
Pyoderma	1.38	43 (2.9)	17 (2.4)	0.489
Prolapsed nictitans gland	0.95	50 (3.4)	6 (0.9)	<  0.001
Pododermatitis	2.10	26 (1.8)	29 (4.1)	0.001
Brachycephalic obstructive airway syndrome (BOAS)	1.67	32 (2.2)	21 (2.9)	0.259
Colitis	1.05	45 (3.0)	8 (1.1)	0.006
Aggression	2.21	23 (1.6)	27 (3.8)	0.001
Heart murmur	0.81	37 (2.5)	11 (1.5)	0.154
Vomiting	1.34	35 (2.4)	13 (1.8)	0.422
Infectious canine tracheobronchitis	1.09	38 (2.6)	8 (1.1)	0.027
Upper respiratory tract (URT) disorder	1.71	28 (1.9)	19 (2.7)	0.238
Patellar luxation	1.66	26 (1.8)	19 (2.7)	0.157
Ulcerative keratitis	2.79	19 (1.3)	27 (3.8)	<  0.001
Claw injury	1.76	24 (1.6)	20 (2.8)	0.063
Atopic dermatitis	3.08	16 (1.1)	28 (3.9)	<  0.001
Gastroenteritis	1.19	27 (1.8)	16 (2.2)	0.501
Ear discharge	1,12	37 (2.5)	4 (0.6)	0.002
Alopecia	1.45	27 (1.8)	13 (1.8)	0.995
Demodicosis	0.91	33 (2.2)	4 (0.6)	0.005
Stenotic nares	1.84	21 (1.4)	16 (2.2)	0.157

The median age of the overall French Bulldog population was 1.3 years