Table 3. Correlation between BMI and renal function indices .

Index	Correlation index (r)	P -value
BMI and serum creatinine	0.074	0.315
BMI and urinary creatinine	-0.100	0.176
BMI and urinary albumin	-0.001	0.992
BMI and UACR	0.065	0.376

Abbreviations: UACR, urinary albumin creatinine ratio; BMI, body mass index.