Furthermore, they had a longer dialysis time (6.8 vs. 6.0 years, P < 0.001) and more frequently a poor HLA match (5–6 HLA-A+B+DR mismatches: 16.6% vs. 12.8%, P = 0.019) and diabetes mellitus as cause of ESRD (10.6 vs. 6.8%, P = 0.010). This evidence concerns the gene HLA-A and diabetes mellitus.