Higher Serum Uric Acid Is Associated with Higher Bone Mineral Density in Chinese Men with Type 2 Diabetes Mellitus

Table 1

General characteristics of the study participants and comparison of characteristics according to serum UA tertiles.

	Total ()	Tertiles of serum uric acid level
		Tertile 1 ()	Tertile 2 ()	Tertile 3 ()
Age (years)	54.14 ± 11.49	55.35 ± 11.60	53.22 ± 10.86	53.86 ± 11.93	0.155
Diabetes duration (years)	8.60 ± 6.45	8.86 ± 6.39	8.28 ± 6.46	8.67 ± 6.52	0.643
Height (cm)	171.94 ± 5.65	171.03 ± 5.83	172.43 ± 5.52	172.35 ± 5.50	0.018
Weight (kg)	74.35 ± 12.95	70.09 ± 11.38	74.78 ± 12.86	78.20 ± 13.28	<0.001
BMI (kg/m^2)	25.08 ± 3.73	23.91 ± 3.34	25.09 ± 3.71	26.25 ± 3.77	<0.001
UA (mmol/L)	0.34 ± 0.08	0.26 ± 0.03	0.33 ± 0.02	0.42 ± 0.05	—
Ca (mmol/L)	2.21 ± 0.10	2.19 ± 0.12	2.22 ± 0.09	2.23 ± 0.10	0.002
PTH (pg/mL)	48.16 ± 19.75	45.21 ± 17.07	48.51 ± 19.71	50.75 ± 21.89	0.029
Cr mol/L)	75.57 ± 20.31	70.25 ± 18.74	74.93 ± 15.33	81.55 ± 24.31	<0.001
vitD3 (nmol/L)	38.21 ± 15.33	38.57 ± 14.34	36.59 ± 15.63	39.42 ± 15.98	0.223
BMD
L2–4 (g/cm^2)	1.20 ± 0.19	1.17 ± 0.18	1.21 ± 0.19	1.24 ± 0.18	0.001
FN (g/cm^2)	0.95 ± 0.14	0.92 ± 0.12	0.95 ± 0.14	0.97 ± 0.14	<0.001
TH (g/cm^2)	1.01 ± 0.14	0.98 ± 0.13	1.02 ± 0.14	1.04 ± 0.15	<0.001

Serum uric acid tertiles were as follows: tertile 1, 0.065–0.305 mmol/L; tertile 2, 0.306–0.367 mmol/L; tertile 3, 0.368–0.599 mmol/L. BMI: body mass index; UA: uric acid; Ca: serum calcium; PTH: parathyroid hormone; Cr: serum creatinine; vitD3: 25-OH vitamin D3; BMD: bone mineral density; L2–4: lumbar spine 2–4; FN: femoral neck; TH: total hip.