Table 2.

Correlation between potential urine biomarkers for LN and pathologic activity/chronicity indexes.

	Activity index			Chronicity index
	Rho (95% CI)	R2	P value	Rho (95% CI)	R2	P value
Urine albumin	0.807 (0.410, 0.948)	0.651	0.003	0.869 (0.561, 0.965)	0.755	<0.001
Urine SERPINC1	0.082 (-0.545, 0.650)	0.007	0.811	0.022 (-0.587, 0.619)	0.000	0.949
Urine ORM1	0.879 (0.590, 0.968)	0.772	<0.001	0.947 (0.804, 0.987)	0.897	<0.001

Bold values denote statistical significance at the P < 0.05 level.