Table 4.

Univariate correlation between urinary cf-nDNA and variables

Variable	Rho correlation coefficient	P value
Urine A/C ratio (mg/g)	0.408	0.005*
Urine P/C ratio (mg/g)	0.314	0.007*
Urine cf-mtDNA (GE/mL)	0.448	<0.001**
Urine protein (mg/dL)	0.246	0.029*
NGAL (ng/mL)	0.322	0.001**

*P < 0.05, **P <0.01; Spearman's rho correlation

NGAL, neutrophil gelatinase-associated lipocalin (ng/mL); cf-mtDNA, cell-free mitochondrial DNA (GE/mL); GE/mL, genome equivalents/mL; urine A/C ratio, urine albumin-creatinine ratio (mg/g); urine P/C ratio, urine protein-creatinine ratio (mg/g)