Table 2.
Baseline characteristics of patients without myocardial viability
| Characteristic | Patients with LVESVI ≤ 84 ml/m2 (n=37) |
Patients with LVESVI > 84 ml/m2 (n=77) |
P value |
|---|---|---|---|
| Age, mean ± SD | 64±8 | 60±9 | 0.019 |
| Prior myocardial infarction, no. (%) | 34 (92%) | 74 (96%) | 0.388 |
| Diabetes, no. (%) | 11 (30%) | 15 (20%) | 0.222 |
| Prior stroke, no. (%) | 3 (8%) | 8 (10%) | 1.000 |
| Hypertension, no. (%) | 23 (62%) | 28 (36%) | 0.010 |
| Hyperlipidemia, no. (%) | 30 (81%) | 47 (62%) | 0.039 |
| Current smoker, no. (%) | 4 (11%) | 14 (18%) | 0.312 |
| Chronic renal insufficiency, no. (%) | 3 (8%) | 7 (9%) | 1.000 |
| Atrial flutter/fibrillation, no. (%) | 3 (8%) | 13 (17%) | 0.207 |
| Peripheral vascular disease, no. (%) | 1 (3%) | 15 (20%) | 0.016 |
| RAR score, mean ± SD * | 10±9 | 14±9 | 0.039 |
| Previous CABG, no. (%) | 1 (3%) | 3 (4%) | 1.000 |
| Bypass graft status, no. (%) | |||
| ≥1 stenosed or occluded | 1 (100%) | 3 (100%) | |
| ≥1 occluded | 1 (100%) | 3 (100%) | |
| Previous PCI, no. (%) | 12 (32%) | 15 (20%) | 0.128 |
| CAD distribution, no. (%) | |||
| No. of diseased vessels ≥75% | 0.835 | ||
| None | 0 (0%) | 3 (4%) | |
| One-vessel | 8 (22%) | 20 (26%) | |
| Two-vessel | 17 (46%) | 25 (33%) | |
| Three-vessel | 12 (32%) | 29 (38%) | |
| Proximal LAD stenosis ≥75% | 27 (73%) | 53 (69%) | 0.651 |
| Left main stenosis (≥50%) | 1 (3%) | 1 (1%) | 0.546 |
| Highest NYHA functional class within 3 months, no. (%) | 0.349 | ||
| I | 2 (5%) | 1 (1%) | |
| II | 10 (27%) | 20 (26%) | |
| III | 21 (57%) | 43 (56%) | |
| IV | 4 (11%) | 13 (17%) | |
| Medications at baseline, no. (%) | |||
| Beta blocker | 30 (81%) | 67 (87%) | 0.405 |
| ACE inhibitor | 32 (87%) | 70 (91%) | 0.521 |
| Angiotensin receptor blocker | 2 (5%) | 4 (5%) | 1.000 |
| ACE inhibitor or ARB | 34 (92%) | 74 (96%) | 0.388 |
| Statin | 36 (97%) | 67 (87%) | 0.100 |
| Aspirin | 31 (84%) | 68 (88%) | 0.559 |
| Blood pressure, mean ± SD | |||
| Systolic (mmHg) | 118±14 | 113±14 | 0.050 |
| Diastolic (mmHg) | 75±9 | 73±9 | 0.385 |
| Heart rate, mean ± SD | 71±11 | 75±16 | 0.190 |
| LV ejection fraction, mean ± SD | 31±9 | 20±6 | <0.001 |
| LVEDVI (ml/m2), mean ± SD | 94±23 | 172±44 | <0.001 |
| LVESVI (ml/m2), mean ± SD | 63±14 | 129±36 | ---- |
| Hemoglobin (g/dL), mean ± SD | 14±2 | 14±1 | 0.401 |
| Creatinine (mg/dL), mean ± SD | 1.1±0.3 | 1.2±0.4 | 0.074 |
| BUN (mg/dL), mean ± SD | 26±18 | 28±18 | 0.498 |
Abbreviations as in Table 1