Erection hardness: a unifying factor for defining response in the treatment of erectile dysfunction

This observational study analyzed data from 6,549 men with erectile dysfunction (ED) to evaluate the relationship between erection hardness, assessed using the Erection Hardness Grading Scale (EHGS), and various measures of erectile function. Nearly 50% of men with severe ED (IIEF EF domain score ≤10) improved to no ED (IIEF