Table 1.
Baseline characteristics of study population stratified by sex
| Overall | Women | Men | |
| n | 4985 | 2793 | 2192 |
| Age in years (mean (SD)) | 59 (8) | 60 (8) | 59 (8) |
| Body mass index (mean (SD)) | 27 (5) | 27 (5) | 27 (4) |
| Originated from Europe, n (%) | 4309 (86) | 2411 (86) | 1898 (87) |
| Complaints, n (%) | |||
| Chest pain or discomfort | 2683 (54) | 1585 (57) | 1098 (50) |
| Dyspnoea | 538 (11) | 329 (12) | 209 (10) |
| Fatigue | 172 (4) | 85 (3) | 87 (4) |
| Palpitations | 463 (9) | 290 (10) | 173 (8) |
| Collapse | 27 (1) | <10 | >10 |
| Smoking status, n (%) | |||
| Current | 1476 (32) | 859 (33) | 617 (30) |
| Former | 1650 (36) | 875 (34) | 775 (38) |
| Never | 1504 (33) | 854 (33) | 650 (32) |
| Diabetes mellitus, n (%) | 396 (8) | 213 (8) | 183 (8) |
| Hypertension, n (%) | 1581 (32) | 954 (34) | 627 (29) |
| Dyslipidaemia, n (%) | 850 (17) | 477 (17) | 373 (17) |
| CACS score (median (IQR)) | 8 (0, 121) | 0 (0, 54) | 42 (0, 278) |
| CACS category, n (%) | |||
| 0 | 1956 (39) | 1387 (50) | 569 (26) |
| 1–100 | 1673 (34) | 899 (32) | 774 (35) |
| 101–400 | 776 (16) | 340 (12) | 436 (20) |
| >400 | 580 (12) | 167 (6) | 413 (19) |
| Examinations during follow-up, n (%) | |||
| At least one CAG | 812 (16) | 309 (11) | 503 (23) |
| At least one PCI or CABG | 307 (6) | 89 (3) | 218 (10) |
| All-cause mortality | 116 (2) | 53 (2) | 63 (3) |
| Years of follow-up (median (IQR)) | 4.5 (3.1, 6.3) | 4.5 (3.1, 6.3) | 4.5 (3.1, 6.3) |
Due to privacy constraints, numbers of individuals fewer than 10 are not allowed to be exported from statistics Netherlands. These numbers are represented as ‘<10’ with the corresponding percentage.
CABG, coronary artery bypass graft; CAC, coronary artery calcium; CACS, coronary artery calcium score CAG, coronary angiography; PCI, percutaneous coronary intervention.