Summary of included studies and stratified prophylaxis data on outcome.

(The complete study characteristics are available on S1 Table in S1 Appendix).CsA = cyclosporine A; MTX = methotrexate; ATG = antithymocyte globulin; MP = methyl-prednisolone; Pse = systemic corticosteroid (prednisolone or methylprednisolone); BDP = oral beclomethasone propionate. MMF = mycophenolate mofetil, NR = not reported.Summary of included studies and stratified prophylaxis data on outcome.