Baseline characteristics by cohort
| Variable | Traditional approach (n=938) | Brisbane protocol (n=921) | p Value |
|---|---|---|---|
| Age, mean (SD) | 54.8 (15.1) | 50.8 (12.9) | <0.01 |
| Male sex, n (%) | 573 (61.1) | 538 (58.4) | 0.24 |
| Risk factors n (%) | |||
| Hypertension | 396 (42.2) | 306 (33.2) | <0.01 |
| Dyslipidaemia | 391 (41.7) | 320 (34.7) | <0.01 |
| Diabetes | 115 (12.3) | 105 (11.4) | 0.57 |
| Family history of CAD | 434 (46.3) | 352 (38.3) | <0.01 |
| Current smoking | 259 (27.6) | 267 (29.0) | 0.51 |
| Prior medical history n (%) | |||
| Prior MI | 158 (16.8) | 115 (12.5) | <0.01 |
| Prior angina | 211 (22.5) | 99 (10.7) | <0.01 |
| Prior angioplasty | 101 (10.8) | 74 (8.0) | 0.04 |
| Prior CABG | 58 (6.2) | 31 (3.4) | <0.01 |
| Prior peripheral arterial disease | 19 (2.0) | 11 (1.2) | 0.16 |
| Prior CHF | 43 (4.6) | 12 (1.3) | <0.01 |
| Prior arrhythmia | 83 (8.9) | 49 (5.3) | <0.03 |
| Prior CAD | 194 (20.7) | 121 (13.14) | <0.01 |
| Prior tachycardia | 19 (1.9) | 10 (1.1) | 0.14 |
Data are number (%) except where otherwise specified.
CABG, coronary artery bypass graft; CAD, coronary artery disease; CHF, congestive heart failure; MI, myocardial infarction.