Figure 3From: Lack of awareness of erectile dysfunction in many men with risk factors for erectile dysfunction Comparison of erectile dysfunction severity in comorbidity subgroups by screening question response. LUTS = lower urinary tract symptoms. Erectile Function domain of the International Index of Erectile Function severity categories are no ED (score ≥26 out of 30), mild (score 22-25), mild-to-moderate (score 17-21), moderate (score 11-16), and severe (score ≤10)[13, 14].Back to article page