Table 3:

Effect of the degree of interstitial fibrosis and tubular atrophy on serum creatinine and proteinuria

	No IFTA (n = 6)	Mild IFTA (F1) (n = 8)	Moderate IFTA (F2) (n = 4)	Severe IFTA (F3) (n = 2)	P value
Mean serum creatinine at admission (mg/dL)	2.9 ± 1.0	4.8 ± 2.4	6.0 ± 2.7	6.7 ± 1.5	0.09
Mean serum creatinine at 1 month (mg/dL)	2.2 ± 0.9	3.7 ± 1.9	4.2 ± 1.2	5.4 ± 1.1	0.07
Mean serum creatinine at 3 months (mg/dL)	1.3 ± 0.5	2.3 ± 1.4	3.6 ± 1.3	4.2 ± 1.4	0.04
Mean serum creatinine at follow-up (mg/dL)	1.0 ± 0.2	1.7 ± 1.2	3.0 ± 1.8	3.2 ± 1.1	0.01
24-h urine protein at admission (g/day)	2.5 ± 1.1	2.3 ± 0.5	3.2 ± 0.4	3 ± 0.3	0.17
24-h urine protein at follow-up (g/day)	0.7 ± 0.3	1.0 ± 0.5	1.7 ± 0.5	2.1 ± 0.3	0.001

IFTA: Interstitial fibrosis and tubular atrophy