Table 1.
Demographic and clinical characteristics of the study population.
| Variable | STEMI (N = 65) | NC group (N = 60) | P-value | |
|---|---|---|---|---|
| MVO+ (N = 33) | MVO− (N = 32) | |||
| Clinical characteristics | ||||
| Age (years) | 65.4 ± 6.8 | 62.1 ± 7.2 | 64.1 ± 8.2 | 0.57 |
| Male n (%) | 29 (88) | 27 (84) | 39 (65) | <0.05 |
| BMI (kg/m2) | 29.1 ± 5.4 | 26.5 ± 2.1 | 27.5 ± 3.7 | 0.86 |
| Heart rate (min−1) | 66 ± 5 | 68 ± 7 | 66 ± 8 | 0.55 |
| Systolic BP (mm Hg) | 128 ± 10 | 133 ± 8 | 132 ± 10 | 0.65 |
| Diastolic BP (mm Hg) | 62 ± 10 | 67 ± 6 | 81 ± 11 | <0.05 |
| Diabetes n (%) | 21 (64) | 13 (41) | 11 (18) | <0.05 |
| Hypertension n (%) | 13 (39) | 17 (53) | 21 (35) | <0.05 |
| Smoke n (%) | 27 (82) | 26 (81) | 49 (82) | 0.44 |
| Culprit artery | ||||
| LAD n (%) | 31 (94) | 28 (88) | – | – |
| LCX n (%) | 0 | 0 | – | – |
| RCA n (%) | 2 (6) | 4 (12) | – | – |
| CMR characteristics | ||||
| Day of baseline CMR (day) | 6 ± 1 | 6 ± 1 | – | – |
| Door to balloon time (h) | 44 ± 7 | 49 ± 8 | – | 0.65 |
| End-diastolic volume (ml) | 70.5 ± 8.7 | 69.8 ± 9.1 | 78.3 ± 12.6 | <0.05 |
| End-systolic volume (ml) | 53.4 ± 6.6 | 46.2 ± 8.0 | 33.8 ± 12.2 | <0.05 |
| LVEF (%) | 41.2 ± 9.2 | 46.3 ± 5.4 | 67.1 ± 7.8 | <0.05 |
| Infarct size (%LV mass) | 21.3 ± 3.2 | 16.4 ± 3.7 | – | – |
| Dimensions end-diastole (mm) | ||||
| Septum | 15.5 ± 0.9 | 14.9 ± 1.2 | 10.9 ± 1.1 | <0.05 |
| Remote | 12.1 ± 1.1 | 12.5 ± 0.9 | 10.4 ± 0.8 | 0.78 |
Values are presented as mean ± SD, n (%). The P-values in bold are statistically significant. BMI, body mass index; BP, blood pressure. MVO+, MVO-positive; MVO−, MVO-negative.