A, Death-censored allograft survival and B, Patient survival in renal transplant recipients of Afro-Caribbean origin. C, Death-censored allograft survival and (D) Patient survival in renal transplant recipients with an underlying diagnosis of SLE. Kaplan-Meier survival curves shown for patients with differing FCGR2B genotype up to 10 years after transplantation. Patients with FcγRIIB-T/T232 (solid black line), with FcγRIIB-I/T232 (dashed line), and FcγRIIB-I/I232 (solid gray line). SLE, systemic lupus erythematosus.