Table 1.

Signalment, history and clinico-pathological data from 224 cats

	Hyperthyroidism		Diabetes mellitus		Chronic kidney disease
	All	With UTI	All	With UTI	All	With UTI
Total number	90	11	57	7	77	17
Female	52	10	21	3	39	14
Male	38	1	36	4	38	3
Age range (in years)	4–18	9–18	1–18	9–18	2–19	2–18
Age median (in years)	13.0	14.0	12.0	12.5	13.0	13.5
History
Polyuria/polydipsia	11	2	30	1	29	5
Signs of LUTD	2	0	3	2	6	4
Other health problems	0	0	23	0	11	4
Treated with methimazole	42	6	0	0	0	0
Treatment with steroids	0	0	6	0	0	0
Treatment with insulin	0	0	34	5	0	0
Complete blood count
Hematocrit decreased	3	1	2	0	25	6
Hematocrit increased	3	1	1	0	0	0
WBC increased	10	2	29	1	19	4
Left shift	1	0	14	3	10	2
Serum chemistry
Glucose 1 >140 mg/dl (7.8 mmol/l)	10	1	50	3	16	5
Glucose 1 >250 mg/dl (13.9 mmol/l)	0	0	42	2	0	0
Urea nitrogen 2 increased	6	0	15	4	77	16
Creatinine 3 increased	0	0	2	1	77	17
tT4 * 4 measured	83	9	31	2	31	6
tT4 * 4 increased	78	9	0	0	0	0
tT4 * 4 decreased	0	0	23	2	18	3
Mean tT4 * 4 in μg/dl (mmol/l)	11.6 (150)	13.4 (173)	1.1 (14)	0.6 (8)	1.4 (18)	1.4 (18)
Urinalysis
Gross appearance abnormal 5	27	5	7	1	3	1
Urine specific gravity >1.020	82	11	47	2	5	2
Urine specific gravity mean	1.029	1.036	1.034	1.019	1.013	1.012
Urine dipstick
Glucosuria	6 (mild)	1	52	3	4 (mild)	2
Ketonuria	3 (trace)	1	10	1	0	1
Bilirubinuria	0	0	5	1	0	0
pH ≥7.5	10	2	3	1	5	0
Proteinuria ≥1+	29	4	16	2	24	9
Urine sediment
WBC >5/HPF	4	2	4	2	13	11
Bacteria seen	14	8	6	5	14	14
Casts seen	6	0	5	2	6	1
Crystals seen	15	0	10	2	7	2
Urine collection
Cystocentesis	90	11	54	5	77	17
Catheterization	0	0	3	2	0	0

^*=Total T4, UTI=urinary tract infection, LUTD=lower urinary tract disease, WBC=white blood cell, HPF=high-power field. Reference ranges:

¹serum glucose 63–140 mg/dl (3.5–7.8 mmol/l);

²serum urea nitrogen 17–35 mg/dl (6.1–12.5 mmol/l);

³serum creatinine 0.7–2.1 mg/dl (62–186 μmol/l);

⁴total T4 1.5–4.0 μg/dl (19.4–51.6 nmol/l);

⁵abnormal urine color and turbidity: orange, brown or red and cloudy or opaque.