Figure 1: Box plots of flow cytometric analysis of the peripheral blood lymphocytes (a–d), TGF-beta (e), and sCD30 (f) before (1), after one hour of (2), at the end of (3), and 15 minutes after regular hemodialysis (4) in 15 patients eligible for renal transplantation. The dashed lines illustrate in each case the reference ranges. Wilcoxon signed-rank test: all results with are delineated; results with are considered to be significant (Bonferroni correction).