Figure 2.5—Illustration shows the relationship between age and the number of cardiovascular risk factors on the severity of atherosclerosis among males in the PDAY study. Severity is defined by the percentage of surface area of the right coronary artery affected by atherosclerosis. The cohort was composed of four age groups: ages 15–19-years, 20–24 years, 25–29 years, and 30–34 years. Twenty-two percent of the cohort had zero risk factors; 42%, one risk factor; 26%, two risk factors; 7%, three risk factors; and 2%, four or more risk factors. Overall, the severity of atherosclerosis increased with age and as the number of risk factors increased. Across all age groups, one or zero risk factors was associated with atherosclerosis of less than 2% of the surface area of the right coronary artery. The greatest severity (approximately 9% of the surface area) was observed among 30- to 34-year old males with four or more risk factors.

Figure 2.5Relationship of age and the number of cardiovascular risk factors with severity of atherosclerosis in the right coronary artery in males in the Pathobiological Determinants of Atherosclerosis in Youth study

From: 2, The Health Consequences of Tobacco Use Among Young People

Cover of Preventing Tobacco Use Among Youth and Young Adults
Preventing Tobacco Use Among Youth and Young Adults: A Report of the Surgeon General.
National Center for Chronic Disease Prevention and Health Promotion (US) Office on Smoking and Health.
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