Baseline characteristics of the cohort
| Characteristic | Primary study cohort (n=1126) | Cohort excluded for missing physician risk estimates (n=1223) | Difference (95% CI of difference) |
| Mean age (SD) | 52.0 (14.0) | 53.1 (13.9) | 1.1 (−0.2 to 2.2) |
| Male sex, n (%) | 685 (61) | 732 (60) | -1% (−5% to 3%) |
| Cardiovascular history | |||
| History of AMI, n (%) | 157 (14) | 170 (14) | 0% (−3% to 3%) |
| History of angina, n (%) | 192 (17) | 184 (15) | −2% (−5% to 1%) |
| Prior CABG, n (%) | 52 (5) | 61 (5) | 0% (−1% to 2%) |
| Prior PCI, n (%) | 97 (9) | 112 (9) | 1% (−1% to 3%) |
| Risk factors | |||
| Hypertension | 481 (43) | 533 (44) | 1% (−3% to 5%) |
| Dyslipidaemia | 458 (41) | 520 (43) | 2% (−2% to 6%) |
| Family history of CAD | 471 (42) | 486 (40) | −2% (−6% to 2%) |
| Diabetes | 118 (10) | 164 (13) | 3% (0% to 6%) |
| Current smoking | 305 (27) | 354 (29) | 2% (−2% to 5%) |
| Patient outcomes | |||
| Type I myocardial infarction | 73 (6) | 74 (6) | 0% (−2% to 2%) |
| Type II myocardial infarction | 27 (2) | 25 (2) | 0% (−2% to 1%) |
| Unstable angina pectoris | 30 (3) | 24 (2) | −1% (−2% to 1%) |
| Other cardiac problem | 150 (13) | 151 (12) | −1% (−4% to 2%) |
| Non-cardiac | 846 (75) | 949 (78) | 2% (−1% to 6%) |
AMI, acute myocardial infarction; CABG, coronary artery bypass graft; CAD, coronary artery disease; CI, confidence interval; PCI, percutaneous coronary intervention; SD, standard deviation.