Baseline characteristics
| *Defined as any previous documented myocardial infarction (MI), previous coronary artery bypass grafting (CABG), previous percutaneous transluminal coronary angioplasty (PTCA), significant coronary heart disease (CHD; ⩾50% stenosis) on previous angiogram, previous positive stress test (treadmill or thallium), or ECG evidence of previous MI (including left bundle branch block (LBBB)). | |
| ACE, angiotensin converting enzyme; anti-huhsp60, anti-human heat shock protein 60; anti-mhsp65, anti-mycobacterial heat shock protein 65; CRP, C reactive protein. | |
| Categorical covariates | No (%) |
| Male sex | 312 (53.2%) |
| Previous stroke | 52 (8.9%) |
| History of hypertension | 255 (43.4%) |
| History of hyperlipidaemia | 184 (31.3%) |
| Diabetes | 86 (14.6%) |
| Current smoking | 224 (38.1%) |
| History of CHD* | 283 (48.1%) |
| Aspirin | 320 (54.6%) |
| β Blocker | 129 (22.1%) |
| ACE inhibitor | 101 (17.3%) |
| Lipid lowering treatment | 51 (8.7%) |
| Admission ECG | |
| Normal | 80 (13.6%) |
| Minor abnormality | 233 (39.6%) |
| Significant ST-T abnormality | 158 (26.9%) |
| Previous MI | 117 (19.9%) |
| New ECG changes during index admission | 110 (18.7%) |
| Continuous covariates | Mean (SD) |
| Age (years) | 62.4 (11.9) |
| White cell count (109/l) | 9.1 (3.3) |
| Loge (sensitive CRP) (loge mg/l) | 1.71 (1.36) |
| Creatinine (IU/l) | 99 (36) |
| Loge (anti-huhsp60) (U/l) | 3.25 (0.71) |
| Loge (anti-mhsp65) (U/l) | 2.81 (0.95) |