Table 1.

Baseline analytical in control and allopurinol groups

	Control Group (n = 56)	Allopurinol Group (n = 57)
Age (years)	71.4 ± 9.5	72.1 ± 7.9
C cystatine (mg/L)	1.9 ± 0,7	1.9 ± 0.5
Serum creatinine (mg/dl)	1.8 ± 0.6	1.7 ± 0.4
eGFR (ml/min per 1.73 m2)	39.5 ± 12.4	40.6 ± 11.3
Uric acid (mg/dl)	7.3 ± 1.6	7.9 ± 2.1
hsCRP (mg/L)	3.4 (4.7)	4.4 (4.5)
Serum fibrinogen (mg/dl)	374 ± 78	381 ± 79
ESR (mm/h)	15 (21)	17 (23)
Hemoglobin (g/dl)	14.5 ± 4.6	13.6 ± 1.7
Serum albumin (g/dl)	4.4 ± 0.3	4.3 ± 0.3
Albuminuria (mg/d)	35 (47)	36 (343)

Variables are expressed as a mean ± SD or median (interquartile range).

ESR, erythrocyte sedimentation rate.

No significant differences were observed between the different analyzed variables.