Uric Acid Provides Protective Role in Red Blood Cells by Antioxidant Defense: A Hypothetical Analysis

Table 5

Multiple linear regressions for associations between UA levels and red blood cell parameters in male and female subjects.

	UA		UA/Cr ratio
		(95% CI)		(95% CI)
Male
Age	-0.047	<0.001 (0.000 to 0.001)	-0.156	<0.001 (-0.014 to -0.010)
RBC	0.280	0.045 (0.002 to 0.112)	0.108	<0.001 (0.165 to 0.410)
Hemoglobin	0.143	<0.001 (0.001 to 0.001)	0.093	<0.001 (0.004 to 0.013)
Female
Age	0.157	<0.001 (0.001 to 0.001)	0.029	0.061 (-0.005 to 0.000)
RBC	0.094	<0.001 (0.009 to 0.029)	0.079	0.003 (0.110 to 0.524)
Hemoglobin	0.052	0.031 (0.000 to 0.001)	0.052	0.053 (0.000 to 0.015)

RBC: red blood cell; Cr: creatinine; UA: uric acid.