Table 3.
Prevalence of Stroke Risk Factors in NHANES Subjects Aged ≥ 65 years and Medicare Enrolled, Years 1988–1994, 2001–2004, and 2005–2008
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|---|---|---|---|---|---|---|
| 1988–1994 | 2001–2004 | 2005–2008 | ||||
| Men (n=2,301) | Women (n=2,649) | Men (n=1,148) | Women (n=1,293) | Men (n=1,003) | Women (n=1,024) | |
| Age, years (mean) | 73.1 | 74.3 | 73.9 | 74.8 | 73.5 | 74.1 |
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| Diabetes mellitus (%) | 12.2 | 13.3 | 18.7 | 17.1 | 18.3 | 16.2 |
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| Current smoker (%) | 15.1 | 10.9 | 9.7 | 6.4 | 8.4 | 9.1 |
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| Cardiovascular disease etc. | 18.1 | 14.1 | 21.2 | 14.6 | 20.4 | 11.9 |
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| Systolic blood pressure | 140 | 142 | 133 | 142 | 134 | 140 |
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| Total cholesterol | 210 | 230 | 194 | 217 | 183 | 206 |
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| HDL cholesterol | 46 | 56 | 48 | 61 | 50 | 61 |
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| Left ventricular hypertrophy11 | 4.5 | 1.5 | 4.0 | 1.0 | 4.0 | 1.0 |
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| Atrial fibrillation12 | 3.8 | 3.3 | 8.0 | 6.9 | 8.5 | 7.1 |
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| Blood pressure medication | 29.1 | 39.6 | 48.0 | 54.3 | 51.2 | 58.6 |
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| 10-year predicted Framingham stroke risk10 | ||||||
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| Predicted risk of stroke | 10.7% | 6.5% | 10.4% | 7.7% | 10.2% | 7.7% |
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| Standard deviation | 0.07 | 0.05 | 0.07 | 0.06 | 0.06 | 0.06 |