Abstract
Erectile dysfunction has been defined by the National Institute of Health (NIH) as the inability to achieve and/or maintain an erection for satisfactory sexual intercourse. Discordant data have been reported on erectile dysfunction epidemiology with prevalence ranging from 12% to 52%. A recent study reported a prevalence of 12.8% in Italy (Foresta et al. 2005). French epidemiological studies estimate that the prevalence of erectile dysfunction is between 11% and 44%. Prevalence surveys show a correlation with age: the relative risk of erectile dysfunction increases by a factor of 2 to 4 between the ages of 40 and 70 years (Costa et al. 2005).
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© 2008 Springer-Verlag Berlin Heidelberg
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Belgrano, E., Bucci, S., Liguori, G., Trombetta, C. (2008). Clinical Evaluation of Erectile Dysfunction in the Era of PDE-5 Inhibitors: The Residual Role of Penile Color Doppler US. In: Bertolotto, M. (eds) Color Doppler US of the Penis. Medical Radiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-36677-5_4
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DOI: https://doi.org/10.1007/978-3-540-36677-5_4
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