Erectile function and assessments of erection hardness correlate positively with measures of emotional well-being, sexual satisfaction, and treatment satisfaction in men with erectile dysfunction treated with sildenafil citrate (Viagra)

This study analyzed data from 33 clinical trials involving nearly 10,000 men with erectile dysfunction (ED) treated with sildenafil citrate (Viagra) to assess its impact on erectile function, erection hardness, and psychosocial well-being. Findings indicated that improvements in erectile function, as measured by the International Index of Erectile Function (IIEF)