Figure 2. Estimated proportion of hard coronary heart disease (CHD) events according to numbers of borderline and elevated risk factors for all ages pooled and within age groups for men and women. Prevalence of risk factors was as follows in men: borderline risk factors, 25.5%; 1 risk factor, 34.7%; 2 risk factors, 28.2%; 3 risk factors, 11.8%. Prevalence of risk factors was as follows in women: borderline risk factors, 41.3%; 1 risk factor, 31.1%; 2 risk factors, 17.6%; 3 risk factors, 5.8%.

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