[Sensitivity to change and minimally important difference of the Spanish version of the life-satisfaction questionnaire LISAT-8 in male patients with erectile dysfunction].

Background And Objective: We determined the sensitivity to change and minimally important difference (MID) of the Spanish version of the life-satisfaction check list LISAT-8.

Patients And Method: We included a random sample obtained from an open, naturalistic, prospective and multicenter study, which assessed the effectiveness of sildenafil as erectile dysfunction (ED) therapy. A total of 537 patients, males older than 18 years, with ED and > active sexual desire, received flexible and at demand doses of sildenafil for 10 weeks.