Fig. 1

Positive correlation of serum hepcidin and GDF-15 levels in both, UUTUC and RCC patients. Correlation analysis of serum hepcidin and GDF-15 levels revealed a positive correlation for both patient cohorts, (a) UUTUC (r = 0.4346, **p = 0.006) and (b) RCC (r = 0.4256, ***p < 0.0001)