Table 1. Baseline Characteristics.
| Characteristic | Overall (N = 10 741) | Individuals With Incident Coronary Heart Disease (n = 2166) | Individuals Without Incident Coronary Heart Disease (n = 8575) |
|---|---|---|---|
| Age at baseline examination, median (IQR), y | 56.5 (49.2-62.2) | 56.6 (49.9-61.2) | 56.5 (49.0-62.6) |
| Cardiovascular risk factors, median (IQR) | |||
| BMI | 26.2 (23.7-29.1) | 26.6 (24.2-29.4) | 26.1 (23.6-29.0) |
| Systolic blood pressure, mm Hg | 135 (121-150) | 137 (125-153) | 134 (121-150) |
| Diastolic blood pressure, mm Hg | 82 (75-90) | 84 (76-92) | 82 (74-89) |
| Total cholesterol, mg/dL | 232 (201-263) | 244 (217-278) | 228 (201-259) |
| High-density lipoprotein cholesterol, mg/dL | 53.0 (44.1-64.2) | 49.4 (41.0-60.3) | 54.1 (45.2-65.0) |
| Low-density lipoprotein cholesterol, mg/dL | 146 (122-175) | 159 (134-188) | 143 (119-171) |
| Triglycerides, mg/dL | 123 (89-180) | 143 (103-212) | 118 (85-172) |
| Cardiovascular risk factors, No. (%) | |||
| Daily smoking status | 3416 (31.8) | 958 (44.2) | 2458 (28.7) |
| Diabetes mellitus | 562 (5.2) | 187 (8.6) | 376 (4.4) |
| Hypertension | 5169 (48.1) | 1151 (53.2) | 4018 (46.9) |
| Antihypertensive medication | 1795 (16.7) | 429 (19.8) | 1366 (15.9) |
| Coronary heart disease end points, No. (%) | |||
| Total cases | 2166 (20.2) | 2166 (100) | NA |
| Fatal cases | 677 (6.3) | 677 (31.3) | NA |
| Nonfatal cases | 1489 (13.9) | 1489 (68.7) | NA |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); IQR, interquartile range; NA, not applicable.
SI conversion factors: To convert total cholesterol, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol to mmol/L, multiply by 0.0259; to convert triglycerides to mmol/L, multiply by 0.0113.