Table 1.
Baseline of the study population
| Characteristics | ||
|---|---|---|
| n | 15,073 | |
| Age, yrs | 50.8 ± 15.1 | |
| Women, n (%) | 10,377 (69) | |
| Weight, kg | 77.3 ± 16.0 | |
| Body mass index, n (%) | ||
| < 25 kg/m2 | 2,966 (19.7) | |
| 25-29 kg/m2 | 5,583 (37.0) | |
| > 30 kg/m2 | 6,524 (43.3) | |
| Personal history of CAD, n (%) | 390 (2.6) | |
| Known diabetes mellitus, n (%) | 2,063 (13.7) | |
| Family history of CAD, n (%) | 819 (5.4) | |
| Symptoms | ||
| Dyspnea, n (%) | 5,221 (34.7) | |
| NYHA I | 527 (3.5) | |
| NYHA II | 2,743 (18.2) | |
| NYHA III | 1,951 (12.9) | |
| Angina pectoris, n (%) | 2,388 (15.8) | |
| CCS I | 407 (2.7) | |
| CCS II | 1,271 (8.4) | |
| CCS III | 710 (4.7) | |
Values are expressed as mean ± SD. Data for categorical variables are shown as the number of cases with percentages in brackets. CAD: coronary artery disease; NYHA: New York Heart Association functional classification; CCS: Canadian Cardiovascular Society angina classification. Numbers of missing values smaller than or equal to ten are not reported.