Baseline Characteristics of Patients With Target-Vessel Ischemia Versus Patients Without
| Characteristic | No target-vessel ischemia (n = 442) | Target-vessel ischemia (n = 34) | P |
|---|---|---|---|
| Female (%) | 21 | 24 | 0.6 |
| Age* (y) | 63 ± 11 | 65 ± 12 | 0.4 |
| Diabetes (%) | 19 | 27 | 0.3 |
| Hypercholesterolemia (%) | 77 | 88 | 0.2 |
| Hypertension (%) | 67 | 68 | 1.0 |
| Smoking (%) | 30 | 18 | 0.2 |
| Single-vessel (%) | 35 | 24 | 0.2 |
| Double-vessel (%) | 34 | 21 | 0.1 |
| Triple-vessel (%) | 31 | 56 | 0.002 |
| Left main (%) | 1.1 | 2.9 | 0.4 |
| Prior MI (%) | 25 | 32 | 0.4 |
| Acute ST-elevation MI (%) | 20 | 18 | 0.9 |
| Acute coronary syndrome (%) | 37 | 41 | 0.9 |
| Angina (%) | 44 | 41 | 0.9 |
| Referral from periphery (%) | 34 | 32 | 0.9 |
| Cypher stents (%) | 34 | 24 | 0.2 |
| Taxus stents (%) | 33 | 27 | 0.4 |
| Bare metal stents (%) | 33 | 50 | 0.04 |
| 2.5-mm stent only (%) | 28 | 35 | 0.4 |
| 3.5-mm stent only (%) | 24 | 18 | 0.5 |
| Number of stents per patient* | 1.6 ± 0.7 | 1.6 ± 0.7 | 0.9 |
| Type A lesion (%) | 17 | 0 | 0.008 |
| Total length of stents (mm) per patient* | 35 ± 22 | 35 ± 26 | 0.9 |
| Median overall summed stress score | 4 | 15 | <0.0001 |
| Median overall summed rest score | 3 | 7 | 0.027 |
| Median overall summed difference score | 0 | 7 | <0.0001 |
↵* Data are mean ± SD.