Fig. 1

Kruskal Wallis rank ANOVA analysis and post-hoc analysis renalase concentration - differences between CKD, HD A, HD B, PD, TE A, TE B, and NK groups (p < 0,001). NK - control group CKD - treated conservatively; HD A - before hemodialysis; HD B - after hemodialysis; PD - peritoneal dialysis; TE A - before kidney transplantation; TE B - after kidney transplantation