Table 1.
Patient characteristics
| On-site (n = 60) | Off-site (n = 68) | p | |
|---|---|---|---|
| Age (years) | 64 ± 11 | 61 ± 12 | 0.62 |
| Men | 44 (73%) | 49 (72%) | 0.87 |
| Diabetes mellitus | 4 (7%) | 2 (3%) | 0.32 |
| Smoker | 24 (40%) | 33 (49%) | 0.59 |
| Hypertension | 15 (25%) | 20 (29%) | 0.58 |
| Family history of CVD | 27 (45%) | 28 (41%) | 0.66 |
| Previous PCI | 2 (3%) | 2 (3%) | 0.90 |
| Previous CABG | 3 (5%) | 2 (3%) | 0.55 |
| Killip class >1 | 1 (1%) | 1 (2%) | 0.92 |
| Summed ST deviation (mm) | 15 ± 12 | 17 ± 9 | 0.27 |
| Anterior myocardial infarction | 23 (38%) | 26 (38%) | 0.99 |
| Q wave | 32 (53%) | 42 (62%) | 0.24 |
| Multi (>1) vessel disease | 23 (38%) | 28 (41%) | 0.74 |
| TIMI flow pre PCI <2 | 38 (67%) | 51 (75%) | 0.31 |
| TIMI flow post PCI <2 | 1 (2%) | 2 (3%) | 0.67 |
| Symptoms-to-admission (min) | 158 ± 131 | 163 ± 201 | 0.87 |
| Symptoms-to-balloon (min) | 286 ± 146 | 257 ± 211 | 0.38 |
| Symptoms-to-arrival (min) | 158 ± 131 | 163 ± 201 | 0.87 |
| Door-to-balloon (min) | 125 ± 59 | 94 ± 54 | 0.003 |
| Time-to-treatment (min) | 286 ± 146 | 257 ± 211 | 0.39 |
CVD cardiovascular disease, PCI percutaneous coronary intervention, CABG coronary artery bypass grafting, TIMI thrombolysis in myocardial infarction