Results of indication biopsies during the first year post-transplant.

CNI, calcineurin inhibitor; MPGN, membranoproliferative glomerulonephritis. p values calculated by Fischer’s exact test. The respective numbers refer to number of patients. Acute Rejection Episodes (ARE) were defined as follows: (i) Biopsy-proven acute rejection episodes (BPAR) BANFF score ≥ IA on indication biopsy (11); (ii) BPAR including borderline findings on indication biopsy, which triggered anti-rejection therapy; (iii) over-all treated ARE (BPAR plus ARE, where a graft biopsy was either logistically not possible or medically contraindicated). Results of indication biopsies during the first year post-transplant.