Table 1. Baseline clinical and angiographic characteristics of the study groups.
| Variables | Baseline IRA flow | p | |
| Occluded group | Patent group | ||
| TIMI flow 0/1 (n = 70) | TIMI flow 2/3 (n = 18) | ||
| Ag e(years), mean ± SD | 62.07 ± 8.14 | 59.11 ± 10.22 | 0.196 |
| Male, n (%) | 58 (82.9) | 14 (77.8) | 0.876 |
| Hypertension, n (%) | 26 (37.1) | 6 (33.3) | 0.999 |
| Diabetes mellitus, n (%) | 23 (32.9) | 5 (27.8) | 0.680 |
| Hyperlipidemia, n (%) | 34 (48.6) | 8 (44.4) | 0.797 |
| Current smoker, n (%) | 37 (52.9) | 8 (44.4) | 0.602 |
| Systolic blood pressure, mmHg, mean ± SD | 132.81 ± 15.97 | 126.72 ± 14.93 | 0.148 |
| Diastolic blood pressure, mmHg, mean ± SD | 84.24 ± 13.06 | 79.77 ± 8.14 | 0.078 |
| Heart rate, bpm | 77.30 ± 9.31 | 75.33 ± 6.85 | 0.405 |
| Ejection fraction, % | 43.32 ± 8.56 | 47.61 ± 5.27 | 0.011 |
| Prehospital medications, n (%) | 0.999 | ||
| Aspirin | 13 (18.6) | 3 (16.7) | |
| β-Blockers | 7 (10.0) | 2 (11.1) | |
| ACE inhibitor or ARB | 18 (25.7) | 4 (22.2) | |
| Ca channel blocker | 10 (14.5) | 2 (11.1) | |
| Statin | 9 (12.9) | 2 (11.1) | |
| IRA, n (%) | 0.695 | ||
| LAD | 28 (40) | 8 (44.4) | |
| LCX | 15 (21.4) | 2 (11.1) | |
| RCA | 27 (38.6) | 8 (44.4) | |
| Duration of chest pain, min | 140.60 ± 20.37 | 137.94 ± 18.78 | 0.618 |
| Door to balloon time, min | 26.2 ± 4.4 | 27.5 ± 3.5 | 0.247 |
| Symptom to door time, min | 114.4 ± 21.8 | 110.4 ± 16.9 | 0.478 |
ACE, angiotensin-converting enzyme; ARB, angiotensin receptor blocker; IRA, infarct releated artery; LAD, left anterior decending artery; LCX, left circumflex coronary artery; RCA, right coronary artery, SD, standard deviation; TIMI, thrombolysis in myocardial infarction.
Numerical parameters were expressed as mean ± SD categorical variables were expressed as numbers and percentage.