Incidence rates and hazard ratio for erectile dysfunction risk stratified by the severity of lichen simplex chronicus.

Abbreviation: LSC, lichen simplex chronicus; IR, incidence rates, per 1,000 person-years; HR, hazard ratio; CI, confidence interval. † Adjusted for age and comorbidity in Cox proportional hazards regression. *** p<0.001. Incidence rates and hazard ratio for erectile dysfunction risk stratified by the severity of lichen simplex chronicus.