MT-RNR2 and benign prostatic hyperplasia: The comparison between BPH and PL revealed outstanding discriminatory ability (AUC = 1.000) for exo-miR-21 and exo-miR-103 (AUC = 0.9973), with similarly high values for Humanin (0.9855), plasma-miR-10 (0.9817), and plasma-GAS5 (0.9556).