Table 2.

Clinical findings in patient cohorts

Parameter	Group A (n = 21)	Group B (n = 12)	P
Posttransplantation day of initial protocol biopsy (d)			0.90c
mean ± SD	49 ± 29	44 ± 18
range	22 to 115	24 to 81
Posttransplantation day of most recent follow-up (d)			0.53c
mean ± SDa	852 ± 515	887 ± 218
range	324 to 1956	504 to 1267
SCr (mg/dl)
at diagnostic/initial biopsy
mean ± SD	1.2 ± 0.3	1.2 ± 0.4	0.84d
range	0.7 to 1.8	0.5 to 2.2
at 6-mo protocol biopsy
mean ± SD	1.3 ± 0.2	1.4 ± 0.5	0.50d
range	0.8 to 1.7	1.0 to 2.7
at 12-mo protocol biopsy
mean ± SDb	1.3 ± 0.3	1.4 ± 0.7	0.65d
range	0.9 to 2.3	1.0 to 3.1
at most recent follow-up
mean ± SDa	1.3 ± 0.3	1.3 ± 0.2	0.59d
range	0.9 to 2.3	1.1 to 1.7
Graft losses (n [%])	1 (5)	2 (17)	0.54e

^aDoes not include the three patients whose grafts were lost.

^bn = 19 for group A, n = 9 for group B.

^cBy Wilcoxon rank sum test.

^dBy t test.

^eBy Fisher exact test.