Table 1

Clinical characteristics

Coronary angiogram not performed (n=79)Coronary angiogram performed (n=38)p Value
Age74±1070±80.05
Males62%74%0.2
Length of stay5.6±4.28.1±6.40.01
Troponin I levels2.0±4.64.7±10.60.06
New ECG changes30%57%0.01
Recurrent chest pain27%49%0.02
Diabetes53%45%0.4
Hypertension75%87%0.1
Months since CABG140±103148±840.7
Number of grafts3.1±12.8±0.90.1
Ejection fraction52±1649±130.4
Creatinine114±56111±490.8
Haemoglobin123±22131±160.05
Albumin35±437±40.02
GRACE score150±29158±360.2
  • CABG, coronary artery bypass graft surgery; GRACE, Global Registry of Acute Cardiac Events.