Table 1.
Characteristics of the 357 Danish Breast Cancer Patients from the WECARE Study Included in the Validation Study of Cardiovascular Diseases
| Characteristics | N | % |
|---|---|---|
| Age at interview (years) | ||
| 40–49 | 3 | 1 |
| 50–59 | 48 | 14 |
| 60–69 | 187 | 52 |
| ≥70 | 119 | 33 |
| Age at first breast cancer diagnosis (years) | ||
| <40 | 59 | 16 |
| 40–44 | 113 | 32 |
| 45–49 | 121 | 34 |
| 50–54 | 64 | 18 |
| Calendar-year of first breast cancer diagnosis | ||
| 1985–89 | 110 | 31 |
| 1990–94 | 139 | 39 |
| 1995–99 | 98 | 27 |
| 2000–04 | 10 | 3 |
| Years of education | ||
| ≤12 | 127 | 36 |
| 13–16 | 154 | 43 |
| ≥17 | 76 | 21 |
| Case-control status in WECARE Study | ||
| Case (contralateral breast cancer) | 128 | 36 |
| Control (unilateral breast cancer) | 229 | 64 |
| Number of cardiovascular self-reported eventsa | ||
| None | 289 | 81 |
| At least one | 68 | 19 |
| 1 | 44 | |
| 2 | 21 | |
| 3 | 2 | |
| 4 | 1 |
a
Defined as cardiomyopathy or congestive heart failure, myocardial infarction, coronary heart disease, angina pectoris, irregular heartbeat, pericarditis or pericardial constriction, valvular diseases and blood clots.