Table 2.
Prevalence of atherosclerotic risk factors and first myocardial infarction by gender and age: National Registry of Myocardial Infarction, 1994 to 2006
| Risk Factor | Age <45 Years |
Age 46–55 Years |
Age 56–65 Years |
Age 66–75 Years |
Age >75 Years |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Women | Men | Women | Men | Women | Men | Women | Men | Women | Men | |
| n (%) | 11,369 (2.1%) | 38,214 (7.0%) | 24,102 (4.4%) | 73,761 (13.6%) | 36,182 (6.7%) | 75,004 (13.8%) | 54,011 (10.0%) | 66,531 (12.3%) | 98,629 (18.2%) | 64,205 (11.8%) |
| Smoking | 61.6% | 63.5% | 53.4% | 54.4% | 40.2% | 39.3% | 22.6% | 23.1% | 7.2% | 10.4% |
| Diabetes mellitus | 21.9% | 11.7% | 26.3% | 16.5% | 29.5% | 21.6% | 29.4% | 25.5% | 22.0% | 23.0% |
| Dyslipidemia | 24.1% | 31.1% | 32.9% | 35.4% | 34.7% | 33.6% | 31.3% | 27.7% | 19.5% | 16.8% |
| Hypertension | 38.8% | 32.8% | 49.7% | 41.1% | 56.4% | 47.4% | 62.2% | 52.4% | 65.9% | 53.8% |
| Family history of CHD | 41.9% | 46.1% | 40.5% | 40.9% | 33.6% | 33.2% | 25.0% | 23.8% | 14.3% | 13.7% |
| Body mass index (kg/m2)* | ||||||||||
| <18.5 | 2.2% | 0.8% | 1.7% | 0.8% | 2.4% | 1.1% | 4.4% | 1.8% | 8.5% | 4.0% |
| 18.5–24.9 | 23.8% | 17.6% | 22.2% | 17.1% | 25.2% | 19.3% | 31.0% | 25.1% | 45.5% | 43.2% |
| 25–29.9 | 25.8% | 37.6% | 28.1% | 40.9% | 29.6% | 42.1% | 31.4% | 44.6% | 28.3% | 38.1% |
| 30–39.9 | 34.9% | 37.7% | 36.0% | 35.7% | 33.6% | 33.4% | 28.2% | 26.1% | 15.8% | 13.8% |
| ≥40 | 13.2% | 6.3% | 12.1% | 5.4% | 9.2% | 4.1% | 5.0% | 2.4% | 1.8% | 0.9% |
*
Body mass index is available in NRMI 4 to 5. For all comparisons, p <0.001.