Table 2.

Correlation (Spearman rank test, r_s) between age or BCS and biochemical parameters

Analyte1	Age	P-value	BCS	P-value
	r s		r s
Total protein	−0.00756	0.9563	0.2514	0.0641
Albumin	−0.1159	0.3995	0.1936	0.1566
Globulin	0.02548	0.8535	0.1535	0.2631
A/G ratio	−0.03453	0.8024	−0.04118	0.7653
ALT activity	0.1498	0.275	−0.1067	0.438
ALP activity	−0.3006	0.0257	0.3777	0.0045
BUN	0.271	0.0454	−0.4431	0.0007
Creatinine	−0.01523	0.9121	0.255	0.0602
BUN/creatinine ratio	0.2518	0.0637	−0.5392	<0.0001
Glucose	−0.3311	0.0135	0.1453	0.2898
WBC count	−0.228	0.0941	−0.1463	0.2865
RBC count	−0.1076	0.4343	0.4189	0.0015
HGB	−0.1706	0.2129	0.4242	0.0012
HCT	−0.1528	0.2654	0.4229	0.0013
MCV	−0.1179	0.3912	0.09045	0.5113
MCH	−0.1657	0.2267	0.1631	0.234
MCHC	−0.05452	0.6926	0.05176	0.7074
Platelet count	0.3118	0.0205	−0.3027	0.0247
Neutrophils	−0.1698	0.2153	−0.05825	0.6727
Lymphocytes	−0.2891	0.0323	−0.1682	0.2196
Monocytes	−0.124	0.367	0.009606	0.9445
Eosinophils	0.08021	0.5605	−0.2354	0.0836
Urine SG	−0.1349	0.3354	−0.2413	0.0817
Urine pH	−0.06589	0.6359	0.06329	0.6493
T4	0.1317	0.338	−0.01294	0.9253
fT4	0.128	0.3518	−0.1702	0.2141
TSH	0.2321	0.0882	0.2269	0.0957

¹A/G, Albumin/Globulin; ALT, alanine transferase; WBC, white blood cell; RBC, red blood cell; HGB, hemoglobin; HCT, hematocrit; MCV, mean corpuscular volume; MCH, mean corpuscular hemoglobin, MCHC, mean corpuscular hemoglobin concentration; SG, specific gravity; fT4, free thyroxine; TSH, thyroid-stimulating hormone.