Sample size calculation
sexual dysfunction, urinary dysfunction
DYSFUNCTION
In this study, the incidences of urinary dysfunction 2 weeks postoperatively and sexual dysfunction 12 months postoperatively were the primary endpoints and dominant evaluation indicators. In our previous study, the incidence of urinary dysfunction and sexual dysfunction were 24.39% and 9.76%, respectively, for DVF-preserving procedures; the corresponding incidences for DVF-resecting procedures were 44.68% and 42.55%