Table 1. Baseline characteristics, eosinophil counts, and cardiac magnetic resonance (CMR) characteristics of the whole study group.
| Total (n = 620) | |
|---|---|
| Baseline characteristics | |
| Age (years) | 59±12 |
| Male sex, n (%) | 499 (80) |
| Diabetes mellitus, n (%) | 135 (22) |
| Hypertension, n (%) | 301 (49) |
| Hypercholesterolemia, n (%) | 282 (45) |
| Smoker, n (%) | 353 (57) |
| Heart rate (beats per minute) | 78±20 |
| Systolic blood pressure (mmHg) | 130±30 |
| Killip class | 1.2±0.6 |
| Grace Risk Score | 136±32 |
| Timi Risk Score | 2 [1–4] |
| Time to reperfusion (min) | 195 [135–300] |
| Time from chest pain to first medical contact (min) | 111 [60–182] |
| CK-MB mass peak value (ng/ml) | 163 [60–290] |
| ST-segment resolution ≥70%, n (%) | 337 (54) |
| Anterior infarction, n (%) | 312 (50) |
| TIMI flow grade before PCI | 1.2±1.3 |
| TIMI flow grade after PCI | 2.9±0.5 |
| TIMI flow grade after PCI >3, n (%) | 548 (88) |
| Multivessel disease, n (%) | 161 (26) |
| White blood cells counts | |
| Eosinophils maximum count (x103 cells/ml) | 0.2 [0.1–0.3] |
| Eosinophils minimum count (x103 cells/ml) | 0.04 [0.01–0.08] |
| Leukocyte maximum count (x103 cells/ml) | 12.9 [10.6–15.7] |
| Leukocyte minimum count (x103 cells/ml) | 7.9 [6.5–9.6] |
| Eosinophil to leukocyte ratio maximum (%) | 2.4 [1.4–3.6] |
| Eosinophil to leukocyte ratio minimum (%) | 0.3 [0.08–0.8] |
| CMR data | |
| LVEF,% | 52±13 |
| LV end-diastolic volume index (ml/m2) | 79±23 |
| LV end-systolic volume index (ml/m2) | 39±20 |
| LV mass (g/m2) | 73 [63–84] |
| Infarct size (% of LV mass) | 21±15 |
| Edema (% of LV mass) | 29±17 |
| MVO (% of LV mass) | 0 [0–2.3] |
Abbreviations: LV: left ventricle; LVEF: left ventricular ejection fraction; MVO: microvascular obstruction; PCI: primary coronary intervention; TIMI: thrombolysis in myocardial infarction.