Table 6.
Baseline characteristics of the study population grouped by lower and upper 2 tertiles of ejection fraction
| Group 1—low LVEF (n = 12) | Group 2—high LVEF (n = 23) | P value | |
|---|---|---|---|
| Age, years (IQR) | 51 (47;65) | 60 (55;69) | .24 |
| Systolic BP (mmHg) | 129 (116;145) | 123 (114;143) | .9 |
| Diastolic BP (mmHg) | 83 (68;94) | 72 (64;82) | .09 |
| Heart rate (/min) | 68 (63;72) | 61 (53;65) | .006 |
| Coronary risk factors, n (%) | |||
| Hypertension | 4/12 (33) | 7/23 (30) | .86 |
| Smoking | 2/12 (17) | 12/23 (52) | .06 |
| Diabetes mellitus | 1/12 (8) | 0/23 (0) | .16 |
| Hyperlipidemia | 2/12 (17) | 3/23 (13) | .77 |
| Apoplexia | 0/12 (0) | 1/23 (4) | .46 |
| Peripheral arterial disease | 0/12 (0) | 0/23 (0) | |
| Familiar disposition | 9/12 (75) | 7/23 (30) | .009 |
| PCI | |||
| Time from symptom-onset to PCI, minutes | 210 (120;330) | 175 (122;267) | .99 |
| Infarct location | |||
| LAD | 8 (53%) | 11 (53%) | |
| RCA | 3 (41%) | 10 (41%) | .18 |
| LCX | 0 (0%) | 2 (0%) | |
| LM | 1 (2%) | 0 (0%) | |
| TIMI flow before PCI | .89 | ||
| 0 | 6/12 (50) | 12/23 (53) | |
| I | 2/12 (17) | 5/23 (21) | |
| II | 2/12 (17) | 3/23 (13) | |
| III | 2/12 (17) | 3/23 (13) | |
| TIMI flow after PCI | .39 | ||
| 0 | 0/12 (0) | 1/23 (4) | |
| I | 0/12 (0) | 0/23 (0) | |
| II | 2/12 (17) | 1/23 (4) | |
| III | 10/12 (83) | 21/23 (91) | |
| Troponin T peak (ng/L) | 5850 (5570;15200) | 3570 (1855;5920) | .002 |
| Creatine-kinase MB peak (ng/L) | 320 (250;393) | 157 (91;289) | .04 |
Values are given in median (IQR), interquartile range; BP, blood pressure; PCI percutaneous coronary intervention; LAD, left anterior descending artery; RCA, right coronary artery; LCX, left circumflex artery; LM, left main artery; TIMI, thrombolysis in myocardial infarction