Prevalence erectile dysfunction
The inability to achieve “erection stiffness sufficient for penetration and intercourse�? (impotence) increases with age. Of men aged 50-80 years 30% are impotent. In the age group 70-80 years approximately 50% are unable to achieve erection sufficient for intercourse without treatment (technical support).
Reference: Helgason �?R, Adolfsson J, Dickman P, Arver S, Fredrikson M, Göthberg M, Steineck G. Sexual desire, erection, orgasm and ejaculatory functions and their importance to elderly Swedish men: A population-based study. Age and Ageing. 1996:25:285-291