Fig. 1.

Bar graphs of seminal plasma DNASE1 (deoxyribonuclease-1, UniProt accession P24855) (a) and IGFBP7 (insulin-like growth factor-binding protein 7, UniProt accession Q16270) (b) levels, and example images of Western blot results in adolescents without varicocele (controls, [C]), with varicocele and normal semen analysis as per the World Health Organization 2010 manual 5^th centile cutoff values (VNS) and with varicocele and altered semen analysis (VAS). Error bars in the graphs indicate the 95 % confidence interval of the mean