Table 2 Univariate predictors of in-hospital mortality for patients with STEMI
Risk factor categoryOdds ratio (95% CI)Wald scorep Value
Male0.45 (0.42 to 0.48)503.1<0.001
Age per 10 year increase2.27 (2.20 to 2.35)2289.0<0.001
Systolic BP per 20 mm Hg increase0.74 (0.72 to 0.75)626.2<0.001
Heart rate per 30 bpm increase1.58 (1.51 to 1.64)479.8<0.001
Myocardial infarction1.51 (1.38 to 1.65)79.7<0.001
Hyperlipidaemia requiring treatment0.59 (0.54 to 0.66)109.5<0.001
Hypertension1.22 (1.14 to 1.31)30.1<0.001
Angina1.59 (1.46 to 1.72)124.4<0.001
Chronic renal failure2.77 (2.28 to 3.38)101.9<0.001
Cerebrovascular disease3.17 (2.84 to 3.54)415.3<0.001
Peripheral vascular disease2.14 (1.83 to 2.50)93.0<0.001
Chronic obstructive pulmonary disease1.27 (1.15 to 1.41)20.3<0.001
Heart failure3.92 (3.38 to 4.55)328.0<0.001
Diabetes1.54 (1.41 to 1.69)90.4<0.001
Glucose concentration1.00 (1.00 to 1.01)2.50.11
Smoking0.45 (0.41 to 0.49)310.8<0.001
Already on aspirin0.46 (0.40 to 0.53)118.6<0.001
Aspirin given acutely/on admission0.25 (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 paramedic0.25 (0.19 to 0.36)121.5<0.001
Thrombolysis given by a specialist nurse0.58 (0.49 to 0.69)167.9<0.001
Thrombolysis given by an accident and emergency clinician0.53 (0.48 to 0.57)580.8<0.001
Thrombolysis given by a member of the on-call medical team1.05 (0.97 to 1.15)183.2<0.001
Thrombolysis given by an on-call cardiologist0.82 (0.71 to 0.94)134.8<0.001
Elevated markers0.73 (0.63 to 0.84)18.2<0.001
  • STEMI, ST-elevation myocardial infarction.