Table 1.
Baseline characteristics
| % | IDDM N = 213 |
Non-IDDMN N = 675 |
P
(IDDM vs non-IDDM) |
DM N = 888 |
Non-DM N = 2179 |
P
(DM vs non-DM) |
|---|---|---|---|---|---|---|
| Age (years) (mean ± SD) | 66.10 ± 10.13 | 66.56 ± 10.13 | 0.740 | 66.45 ± 10.12 | 63.53 ± 11.16 | <0.001 |
| Male sex | 67.14 | 76.93 | 0.065 | 72.30 | 80.27 | <0.001 |
| Previous PCI | 36.15 | 33.13 | 0.455 | 33.86 | 31.40 | 0.199 |
| Previous CABG | 13.62 | 8.06 | 0.021 | 9.40 | 8.57 | 0.481 |
| Previous MI | 33.01 | 32.83 | 1.000 | 32.87 | 33.27 | 0.864 |
| Current smoker | 16.94 | 18.12 | 0.826 | 17.85 | 28.66 | <0.001 |
| Previous smoker | 31.15 | 37.73 | 0.115 | 36.20 | 33.97 | 0.269 |
| Hypercholesterolemia | 78.57 | 76.30 | 0.573 | 76.85 | 68.65 | <0.001 |
| Hypertension | 86.38 | 79.70 | 0.034 | 81.31 | 64.03 | <0.001 |
| Family history of CAD | 29.27 | 29.65 | 1.000 | 29.56 | 38.93 | <0.001 |
| Peripheral vascular disease | 15.08 | 10.46 | 0.098 | 11.57 | 4.61 | <0.001 |
| Congestive heart failure | 12.12 | 4.60 | <0.001 | 6.39 | 2.89 | <0.001 |
| Charlson comorbidity index (mean ± SD) | 2.61 ± 1.67 | 2.10 ± 1.27 | <0.001 | 2.21 ± 1.39 | 0.84 ± 0.91 | <0.001 |
| Baseline anginal status | ||||||
| Stable angina | 46.23 | 44.66 | 0.693 | 45.03 | 46.12 | 0.603 |
| Unstable angina | 33.49 | 38.87 | 0.168 | 37.58 | 39.74 | 0.271 |
| Silent ischemia | 20.28 | 16.47 | 0.213 | 17.38 | 14.13 | 0.026 |
| ACS | 50.70 | 52.44 | 0.694 | 52.03 | 54.06 | 0.318 |
| STEMI in ACS | 8.3 | 16.1 | 0.042 | 14.3 | 15.5 | 0.59 |
PCI percutaneous coronary intervention, CABG coronary artery bypass graft, CAD coronary artery disease, DM diabetes mellitus, IDDM insulin-dependent diabetes mellitus, ACS acute coronary syndrome, SD standard deviation, vs versus, MI myocardial infarction, N number of patients