|Risk Factors||Odds Ratio||95% CI||p Value|
|MI within 30 days of surgery||14.42||3.84–54.2||<0.0001|
|Pre-operative IV heparin use||4.08||1.87–8.88||0.0004|
|Higher surgical risk||3.51||1.53–8.03||0.003|
|Shorter time from PCI to surgery⁎||0.94||0.69–1.26||0.7|
|Aspirin and/or clopidogrel use 24 h before surgery||1.09||0.52–2.3||0.8|
CABG = coronary artery bypass grafting; other abbreviations as in Table 5.
↵⁎ Natural log transformation.