Table I.
Baseline characteristics.
| Variable | Overall (N=92) | Cases (N=46) | Controls (N=46) | p-value |
|---|---|---|---|---|
| Age (mean, SD) | 61.88 (10.64) | 62.09 (10.52) | 61.67 (10.88) | 0.8 |
| Sex (% female) | 33.7% | 34.8% | 32.6% | 0.8 |
| Dyslipidemia | 65.2% | 73.9% | 56.5% | 0.08 |
| Lipids (mean, SD) | ||||
| Total cholesterol | 188.42 (49.99) | 186.92 (57.41) | 190.23 (40.20) | 0.6 |
| Triglyerides | 190.18 (144.18) | 210.36 (172.26) | 165.97 (98.34) | 0.7 |
| HDL cholesterol | 41.69 (11.99) | 40.58 (13.70) | 43.03 (9.61) | 0.2 |
| LDL cholesterol | 104.56 (40.42) | 91.45 (30.32) | 123.29 (46.49) | 0.06 |
| Hypertension | 78.3% | 80.43% | 76.1% | 0.6 |
| Diabetes mellitus | 33.7% | 47.8% | 19.6% | 0.004 |
| CAD-index (mean, SD) | 44.27 (17.46) | 48.62 (19.24) | 40.02 (14.51) | 0.02 |
| Number of diseased vessels | ||||
| 1 | 42.9% | 33.3% | 52.2% | 0.09 |
| 2 | 33.0% | 33.3% | 32.6% | |
| 3 | 24.2% | 33.3% | 15.2% | |
| Vessel-diameter mm (mean, SD)* | 2.74 (0.48) | 2.64 (0.49) | 2.85 (0.45) | 0.04 |
| Vessel-length mm (mean, SD)* | 15.44 (5.64) | 15.07 (5.27) | 15.82 (6.04) | 0.6 |
| BMI (mean, SD) | 30.68 (5.56) | 30.90 (5.83) | 30.45 (5.34) | 0.7 |
| Smoking | 63.0% | 58.7% | 67.4% | 0.4 |
| History of MI | 50.0% | 43.5% | 56.5% | 0.2 |
| Race (% Caucasian) | 69.6% | 67.4% | 71.7% | 0.4 |
| Family history CAD | 45.7% | 41.3% | 50.0% | 0.4 |
*
for vessel that underwent PCI.