Table 3. Antimicrobial count (% of antimicrobial cases) (n = 355) and no antimicrobial count (% of no antimicrobial cases) (n = 539) for category variables recorded in dogs diagnosed with acute diarrhoea attending primary-care veterinary practices in the VetCompass™ programme in the UK (n = 894).

Variable	Category	Antimicrobial no. (%)	No antimicrobial no. (%)
Breed	Crossbred	77 (21.7)	130 (24.1)
	Purebred—other	162 (45.6)	244 (45.3)
	Labrador Retriever	27 (7.6)	41 (7.6)
	German Shepherd Dog	21 (5.9)	14 (2.6)
	Cockapoo	18 (5.1)	32 (5.9)
	Shih-tzu	13 (3.7)	17 (3.2)
	Staffordshire Bull Terrier	11 (3.1)	17 (3.2)
	French Bulldog	9 (2.5)	17 (3.2)
	Jack Russell Terrier	10 (2.8)	11 (2.0)
	Yorkshire Terrier	7 (2.0)	16 (3.0)
Bodyweight (kg)	< 10	118 (33.2)	184 (34.1)
	10 to < 20	76 (21.4)	111 (20.6)
	20 to < 30	53 (14.9)	80 (14.8)
	≥ 30	39 (11.0)	51 (9.5)
	Not recorded	69 (19.4)	113 (21.0)
Insurance	Non–insured	246 (69.3)	370 (68.6)
	Insured	109 (30.7)	169 (31.4)
Comorbidity at first presentation	Yes	50 (14.1)	109 (20.2)
	No	305 (85.9)	430 (79.8)
Concurrent vomiting	Yes	191 (53.8)	247 (45.8)
	No	164 (46.2)	292 (54.2)
Reduced appetite	Yes	108 (30.4)	133 (24.7)
	No	247 (69.6)	406 (75.3)
Haematochezia	Yes	49 (13.8)	33 (6.1)
	No	306 (86.2)	506 (93.9)
Pyrexia	Yes	52 (14.6)	35 (6.5)
	No	303 (85.4)	504 (93.5)
Duration prior to first presentation	< 24 hours	95 (26.8)	125 (23.2)
	24–48 hours	79 (22.3)	119 (22.1)
	48–96 hours	90 (25.4)	138 (25.6)
	5–7 days	32 (9.0)	58 (10.8)
	Not recorded	59 (16.6)	99 (18.4)
Gastrointestinal nutraceutical prescription	Yes	207 (58.3)	390 (72.4)
	No	148 (41.7)	149 (27.6)
Dietary modification advice	Yes	132 (37.2)	311 (57.7)
	No	223 (62.8)	228 (42.3)
Antiparasitic	Yes	41 (11.5)	70 (13.0)
	No	314 (88.5)	469 (87.0)
Gastrointestinal agent	Yes	156 (43.9)	171 (31.7)
	No	199 (56.1)	368 (68.3)
Veterinary Group	1	126 (35.5)	162 (30.1)
	2	88 (24.8)	183 (34.0)
	3	4 (1.1)	17 (3.2)
	4	70 (19.7)	81 (15.0)
	5	67 (18.9)	96 (17.8)