Editing Erectile dysfunction (section)

====Prevalence of medical diagnosis====
In a study published in 2016, based on US health insurance claims data, out of 19,833,939 US males aged ≥18 years, only 1,108,842 (5.6%), were medically diagnosed with erectile dysfunction or on a PDE5I prescription (''μ'' age 55.2 years, ''σ'' 11.2 years). Prevalence of diagnosis or prescription was the highest for age group 60–69 at 11.5%, lowest for age group 18–29 at 0.4%, and 2.1% for 30–39, 5.7% for 40–49, 10% for 50–59, 11% for 70–79, 4.6% for 80–89, 0.9% for ≥90, respectively.<ref name="US study">{{cite journal | vauthors = Mulhall JP, Luo X, Zou KH, Stecher V, Galaznik A | title = Relationship between age and erectile dysfunction diagnosis or treatment using real-world observational data in the USA | journal = International Journal of Clinical Practice | volume = 70 | issue = 12 | pages = 1012–1018 | date = December 2016 | pmid = 28032424 | pmc = 5540144 | doi = 10.1111/ijcp.12908 }}</ref>