HLA matching at a single kidney transplant center.

Over 1000 patients were analyzed in two different time intervals, 1978-1983 and 1984-1989; these corresponded to patient groups not treated with cyclosporine and treated with cyclosporine. Analysis of mismatching showed that there was a significant (P less than 0.05) longterm matching effect in the precyclosporine, era with 0 HLA-DR-mismatched recipients having a 9.