. 2023 Apr 17;11(2):qfad010. doi: 10.1093/sexmed/qfad010

Table 2.

Continued

Study	Year	Data source/study population	ED measurement	Age, y	Prevalence (95% CI), %
				18-39	29.7
				40-49	23.6
				50-59	30.8
				≥60	57.4
Smith⁵⁵	2009	California Men’s Health Study–Kaiser Permanente	Question: Many men have difficulty getting and keeping an erection that is rigid enough for satisfactory sexual activity. How would you describe your experience during the past year?	45-49	13
				50-59	24
				60-69	44
Lindau⁵⁶	2007	National Social Life, Health, and Aging Project	Self-reported difficulty in achieving or maintaining an erection	57-85	37
Francis⁵⁷	2007	NHANES	Self-reported ability to get and keep an erection		Complete ED
				Overall	8.1
				40-49	1.23
				50-59	3.65
				60-69	14.17
				70-79	24.91
				≥80	56.02
Saigal⁵⁸	2006	NHANES	Question: How would you describe your ability to get and keep an erection adequate for satisfactory intercourse?”		Sometimes able
				20-29	4.7
				30-39	3.4
				40-49	7.0
				50-59	19.9
				60-69	27.0
				70-74	38.7
				≥75	30.1
Shabsigh⁵⁹	2005	Cross-national survey on men’s health issues	Self-reported difficulty getting or keeping an erection	20-75	25
O’Leary⁶⁰	2003	Olmsted County Study of Urinary Symptoms and Health Status Among Men	Self-reported erectile function	40-49	3
				80-89	49
Kantor⁶¹	2002	General medical practices in Pennsylvania	IIEF	18-40	13.0
				41-50	3.4
				51-60	28.9
				61-70	41.7
				>70	66.0
Monga⁶²	2002	Community-dwelling older men	IIEF-5		Complete, severe, moderate, mild ED
				Overall	3, 11, 13, 24
				30-49	0, 3, 4, 12
				50-64	2, 8, 12, 32
				65-69	3, 20, 22, 30
				70-74	6, 27, 16, 27
				75-79	12, 24, 21, 29
				≥80	8, 17, 29, 38

Abbreviations: ED, erectile dysfunction; IIEF, International Index of Erectile Function; MMAS, Massachusetts Male Aging Study; NHANES, National Health and Nutrition Examination Survey; PPI, penile prosthesis implantation.

Two publications, Johannes et al⁴⁹ and Feldman et al,⁵ used the same patient sample to calculate ED prevalence; thus, data extraction was reported together to prevent double counting.