From: The effect of transrectal ultrasound-guided prostate biopsy on erectile function and lower urinary tract symptoms: a prospective study
Variable
Evaluation period
Mean (ml/s)
N
Standard deviation
Mean deviation
p value
Qmax
Before biopsy
7.3517
63
2.15952
0.27207
0.07
After biopsy
7.7492
2.00039
0.25203