TABLE 2.

Changes in serum creatinine levels

		Responder				Nonresponder
Time		N	Mean ± SD (mg/dL)	Delta change from the index (mg/dL)	P (vs index biopsy)	N	Mean ± SD (mg/dL)	Delta change (mg/dL)	P (vs index biopsy)
Serum Cr	Index biopsy	66	1.74 ± 0.70	–	–	117	1.83 ± 0.65	–	0.39
	1 wk	33	1.95 ± 0.89	0.20 ± 0.77	0.22	52	1.79 ± 0.60	–0.04 ± 0.64	0.68
	2 wk	44	1.85 ± 0.76	0.11 ± 0.73	0.44	74	1.83 ± 0.57	0 ± 0.62	0.95
	4 wk	52	1.77 ± 0.70	0.03 ± 0.70	0.84	96	1.75 ± 0.62	–0.08 ± 0.64	0.33
	8 wk	47	1.78 ± 0.62	0.04 ± 0.67	0.75	92	1.86 ± 0.58	0.03 ± 0.62	0.73
	10 wk	38	2.04 ± 1.83	0.29 ± 1.24	0.24	66	1.81 ± 0.67	–0.02 ± 0.66	0.84
	Follow-up biopsy	66	1.74 ± 0.64	0 ± 0.67	0.99	117	1.82 ± 0.57	–0.01 ± 0.61	0.89

Cr, creatinine.