Table 1: Baseline Patient Characteristics and Comorbidities of the Study Cohort

ACS without Prior CABG (n = 7,715) ACS with Prior CABG (n = 461) P
Demographics
Age, in years (range)

55 [47 – 64]

63 [56 – 70]

< 0.0001
Male % 76.0 71.4 0.03
Past Medical History (%)
Angina

37.7

86.6

< 0.0001
MI 21.8 66.8 < 0.0001
PCI 10.5 32.5 < 0.0001
Risk Factors (%)
Current smoker (within a year)

37.8

14.8

< 0.0001
DM I 1.5 2.6 0.0726
DM II 37.6 62.3 < 0.0001
Hypertension 47.8 75.7 < 0.0001
Dyslipidemia 29.5 70.3 < 0.0001
Comorbidities (%)
COPD

5.1

8.9

0.0012
Stroke 4.3 9.5 < 0.0001
Dialysis 0.9 2.0 0.047
PAD 2.0 9.5 < 0.0001

MI: myocardial infarction, PCI: percutanous coronary intervention, DM: diabetes mellitus, COPD: chronic obtructive pulmonary disease, PAD: periphral arterial disease.

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