Table 4.

Area under curve (AUC) comparison of receiver operator characteristic (ROC) curves for the association with renal failure or ISKDC classification.

Factors	ECr a		CRF b		ISKDC III-IV		Crescents
	AUC	95% C.I.	AUC	95% C.I.	AUC	95% C.I.	AUC	95% C.I.
Glomerular M1 count	0.724	0.578 to 0.842	0.656	0.507 to 0.786	0.611	0.461 to 0.747	0.637	0.484 to 0.772
Glomerular M2 count	0.617	0.467 to 0.752	0.610	0.460 to 0.746	0.804	0.666 to 0.904	0.833	0.696 to 0.926
Tubulointerstitial M1 count	0.769	0.627 to 0.878	0.700	0.552 to 0.822	0.602	0.452 to 0.739	0.696	0.545 to 0.822
Tubulointerstitial M2 count	0.818	0.682 to 0.914	0.872	0.745 to 0.950	0.778	0.637 to 0.884	0.830	0.692 to 0.923
ISKDC classification	0.711	0.562 to 0.833	0.716	0.568 to 0.837

 ^aDefinition of elevation of creatinine (ECr) is the status of high creatinine ≥1.0 mg/dl.

 ^bDefinition of chronic renal failure (CRF) is the status of low GFR, which is below 60 ml/min/1.73 m² for more than 3 months.

ISKDC, International Study of Kidney Disease in Children.