In a study by Salonia et al, nearly 50% of patients freely decided not to start any ED treatment after bilateral nerve-sparing radical prostatectomy. Roughly 73% of patients who started therapy eventually discontinued it.




Bibliography
Salonia A, Gallina A, Zanni G, et al. Acceptance of and discontinuation rate from erectile dysfunction oral treatment in patients following bilateral nerve-sparing radical prostatectomy. Eur Urol. 2008;53(3):564-570.