Baseline Clinical Characteristics.
Baseline Clinical Characteristics.
| Characteristic | All Patients (n=294) | Microcytic Anemia (n=50) | Normocytic Anemia (n=227) | Macrocytic Anemia (n=17) | P Value |
|---|---|---|---|---|---|
| Age (mean±SD), years | 67.0±12.7 | 61.5±13.7 | 68.0±12.4 | 69.4±9.8 | 0.032 |
| Male, n (%) | 206 (70.1%) | 32 (64.0%) | 160 (70.5%) | 14 (82.4%) | 0.346 |
| Hypercholesterolemia, n (%) | 176 (59.9%) | 30 (60.0%) | 135 (59.5%) | 11 (64.7%) | 0.914 |
| Hypertension, n (%) | 174 (59.2%) | 31 (62.0%) | 132 (58.2%) | 11 (64.7%) | 0.787 |
| Diabetes mellitus, n (%) | 115 (39.1%) | 23 (46.0%) | 84 (37.0%) | 8 (47.1%) | 0.393 |
| Current smoking, n (%) | 89 (30.3%) | 18 (36.0%) | 66 (29.1%) | 5 (29.4%) | 0.785 |
| History of myocardial infarction, n (%) | 62 (21.9%) | 11 (22.0%) | 46 (20.3%) | 5 (29.4%) | 0.876 |
| History of percutaneous coronary intervention, n (%) | 66 (22.4%) | 13 (26.0%) | 48 (21.1%) | 5 (29.4%) | 0.829 |
| History of coronary artery bypass grafting, n (%) | 13 (4.4%) | 1 (2.0%) | 12 (5.3%) | 0 (0.0%) | 0.390 |
| Peripheral arterial disease, n (%) | 45 (15.3%) | 7 (14.0%) | 34 (15.0%) | 4 (23.5%) | 0.563 |
| Chronic kidney disease, n (%) | 45 (15.3%) | 6 (12.0%) | 34 (15.0%) | 5 (29.4%) | 0.218 |
| Congestive heart failure, n (%) | 30 (10.2%) | 4 (8.0%) | 23 (10.1%) | 3 (17.7%) | 0.524 |
| Chronic non-cardiac illness, n (%) | 127 (43.4%) | 18 (36.0%) | 100 (44.7%) | 9 (52.9%) | 0.446 |
| Malignancy, n (%) | 38 (13.0%) | 5 (10.0%) | 28 (12.4%) | 5 (29.4%) | 0.104 |
| Atrial fibrillation, n (%) | 17 (5.8%) | 2 (4.0%) | 12 (5.3%) | 3 (17.7%) | 0.092 |
| Anterior location of infarction, n (%) | 132 (44.9%) | 18 (36.0%) | 107 (47.1%) | 7 (41.2%) | 0.340 |
| Killip class at admission, n (%) | 0.583 | ||||
| I | 236 (80.3%) | 44 (88.0%) | 178 (78.4%) | 14 (82.3%) | |
| II | 32 (10.9%) | 2 (4.0%) | 28 (12.3%) | 2 (11.8%) | |
| III/IV | 26 (8.8%) | 4 (8.0%) | 21 (9.2%) | 1 (5.9%) | |
| Body mass index (mean±SD), kg/m2 | 27.1±4.3 | 27.5±4.8 | 27.3±4.2 | 24.6±3.4 | 0.016 |
| Baseline serum creatinine (mean±SD), g/dL | 1.26±1.02 | 1.00 ±0.35 | 1.28±1.03 | 1.80±1.77 | 0.017 |
| Estimated GFR (mean±SD), mL/min/1.73 m2 | 76.5±36.5 | 90.1±49.9 | 74.6±32.5 | 61.6±30.1 | 0.005 |
| Estimated GFR ≤60 mL/min/1.73 m2, n (%) | 99 (33.7%) | 11 (22.0%) | 81 (35.7%) | 7 (41.2%) | 0.14 |
| Baseline hemoglobin (mean±SD), g/dL | 11.6±1.1 | 11.1±1.4 | 11.8±8.8 | 10.6±1.7 | <0.001 |
| Mean corpuscular value (mean±SD), fL | 86.2±7.0 | 75.6±4.6 | 87.5±4.0 | 100.6±4.2 | <0.0001 |