Table 1.

Baseline characteristics of patients in the febuxostat group and allopurinol group

	Febuxostat group (n = 51)	Allopurinol group (n = 22)
Age (years)	67.4 ± 12.3	72.9 ± 10.7
Gender (M:F)	29:22	16:6
Body weight (kg)	58.0 ± 13.3	59.3 ± 9.8
Hemoglobin (g/dl)	11.9 ± 1.8	11.5 ± 1.9
Serum albumin (g/dl)	4.0 ± 0.5	3.8 ± 0.4
Serum creatinine (mg/dl)	2.2 ± 1.1	2.1 ± 0.7
eGFR (ml/min per 1.73 m2)	27.2 ± 10.5	26.2 ± 9.2
Uric acid (mg/dl)	6.1 ± 0.9	6.2 ± 1.1
Etiology of renal disease (%)
Diabetes mellitus	6	18
Nephrosclerosis	29	55
Glomerulonephritis	35	14
Others	30	13
RAAS blockers (%)	77	86

Variables are presented as mean ± SD

No significant differences were observed between the two groups

RAAS renin-angiotensin-aldosterone system