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Table 1 Patient characteristics

From: Intermediate and high peri-operative cardiac enzyme release following isolated coronary artery bypass surgery are independently associated with higher one-year mortality

  Study Population (n = 3,024)
Age at operation (years) 64.3 (58.4 to 70.0)
Female sex (%) 19.9
Body mass index (kg/m2) 27.6 (25.3 to 30.4)
Angina class IV (%) 32.9
Current smoker (%) 15.8
Previous myocardial infarction (%) 44.2
Diabetes (%) 17.6
Hypercholesteroleamia (%) 83.8
Hypertension (%) 55.3
Peripheral vascular disease (%) 13.8
Cerebrovascular disease (%) 8.2
Renal dysfunction (%) 2.7
Respiratory disease (%) 31.6
Ejection fraction <30% (%) 8.7
Three-vessel disease (%) 81.3
Left main stenosis >50% (%) 20.1
Prior cardiac intervention (%) 5.1
Prior cardiac surgery (%) 2.5
Urgent procedure (%) 16.9
Emergent procedure (%) 1.4
  1. Continuous variables are shown as median with 25th and 75th percentiles.
  2. Categorical variables are shown as a percentage.