Risk factor category | Odds ratio (95% CI) | Wald score | p Value | |
Male | 0.45 (0.42 to 0.48) | 503.1 | <0.001 | |
Age per 10 year increase | 2.27 (2.20 to 2.35) | 2289.0 | <0.001 | |
Systolic BP per 20 mm Hg increase | 0.74 (0.72 to 0.75) | 626.2 | <0.001 | |
Heart rate per 30 bpm increase | 1.58 (1.51 to 1.64) | 479.8 | <0.001 | |
Myocardial infarction | 1.51 (1.38 to 1.65) | 79.7 | <0.001 | |
Hyperlipidaemia requiring treatment | 0.59 (0.54 to 0.66) | 109.5 | <0.001 | |
Hypertension | 1.22 (1.14 to 1.31) | 30.1 | <0.001 | |
Angina | 1.59 (1.46 to 1.72) | 124.4 | <0.001 | |
Chronic renal failure | 2.77 (2.28 to 3.38) | 101.9 | <0.001 | |
Cerebrovascular disease | 3.17 (2.84 to 3.54) | 415.3 | <0.001 | |
Peripheral vascular disease | 2.14 (1.83 to 2.50) | 93.0 | <0.001 | |
Chronic obstructive pulmonary disease | 1.27 (1.15 to 1.41) | 20.3 | <0.001 | |
Heart failure | 3.92 (3.38 to 4.55) | 328.0 | <0.001 | |
Diabetes | 1.54 (1.41 to 1.69) | 90.4 | <0.001 | |
Glucose concentration | 1.00 (1.00 to 1.01) | 2.5 | 0.11 | |
Smoking | 0.45 (0.41 to 0.49) | 310.8 | <0.001 | |
Already on aspirin | 0.46 (0.40 to 0.53) | 118.6 | <0.001 | |
Aspirin given acutely/on admission | 0.25 (0.22 to 0.28) | 505.2 | <0.001 | |
Under the care of a cardiologist (vs general physician) | 0.62 (0.58 to 0.67) | 148.9 | <0.001 | |
Thrombolysis given out of hospital (vs not at all) | 0.13 (0.01 to 0.19) | 139.6 | <0.001 | |
Thrombolysis given in hospital (vs not at all) | 0.40 (0.37 to 0.43) | 583.2 | <0.001 | |
Thrombolysis given by a paramedic | 0.25 (0.19 to 0.36) | 121.5 | <0.001 | |
Thrombolysis given by a specialist nurse | 0.58 (0.49 to 0.69) | 167.9 | <0.001 | |
Thrombolysis given by an accident and emergency clinician | 0.53 (0.48 to 0.57) | 580.8 | <0.001 | |
Thrombolysis given by a member of the on-call medical team | 1.05 (0.97 to 1.15) | 183.2 | <0.001 | |
Thrombolysis given by an on-call cardiologist | 0.82 (0.71 to 0.94) | 134.8 | <0.001 | |
Elevated markers | 0.73 (0.63 to 0.84) | 18.2 | <0.001 |
STEMI, ST-elevation myocardial infarction.