Table 4. Difference in International Index Erectile Function-5 Score between two biopsies.

	Mean difference for first TPSBx (SD)	Mean difference for second TPSBx (SD)	Paired T-test P-value
Compared to pre-TPSBx
One month post-TPSBx	9.0 (0.8)	9.3 (6.6)	0.637
Three months post-TPSBx	0.8 (1.7)	2.9 (3.9)	<0.001
Six months post-TPSBx	-0.1 (1.8)	0.8 (2.0)	0.012
Compared to previous measurement
One month post-TPSBx	9.0 (0.8)	9.3 (6.6)	0.637
Three months post-TPSBx	-8.2 (6.1)	-6.6 (6.2)	0.046
Six months post-TPSBx	-0.9 (1.3)	-2.1 (3.3)	0.011