ED rates on the 1st, 3rd and 6th months of TPNB according to IIEF-5 scores.

Table 1: ED rates on the 1^st, 3^rd and 6^thmonths of TPNB according to IIEF-5 scores.

Study	Number of patients those undergone TPNB	1^st month ED rates (%)	3^rd month ED rates (%)	6^th month ED rates (%)
Chrisofos, et al.	46	65	4.3
Zisman, et al.	218	15
Tuncel, et al.	97	41.3		15.2
Akyol, et al.	136			2.6

TPNB: Transrectal Prostate Biopsy; ED: Erectile Dysfunction; IIEF-5: The first 5 item version of International Index of Erectile Function