The role of urinary nerve growth factor for the diagnosis and assessment of the biofeedback success in children with dysfunctional voiding

uNGF levels were higher in children with DV and decreased after biofeedback therapy. uNGF levels could be used for the diagnosis and the assessment of biofeedback success in these children.105Figure. The mean uNGF/Cr levels in the DV group at the baseline, at the end of biofeedback therapy (6 and 12 months).