Table 1. Baseline and CMR characteristics.
| Median Time MI to CMR (days) | 2 (range 1–5) |
| Age (years) | 59.5 (range 38–82) |
| Sex | 12% (6/50) female |
| 88% (44/50) male | |
| Median time pain to flow restored (minutes) | 195 (range 79–882) |
| Risk Factors: | |
| Smoking | 28% (14/50) ex smokers |
| 32% (16/50) current smokers | |
| 40% (20/50) non smokers | |
| Positive family history | 48% (24/50) |
| Hypercholesterolaemia | 34% (17/50) |
| Hypertension | 38% (19/50) |
| Previous MI | 4% (2/50) |
| Previous PCI | 2% (1/50) |
| Diabetes | 12% (6/50) |
| Medication at discharge | |
| Aspirin | 10% (5/50) |
| ACE I | 24% (12/50) |
| Beta blocker | 6% (3/50) |
| Calcium channel blocker | 6% (3/50) |
| Nitrates | 0% (0/50) |
| Statin | 24% (12/50) |
| Nicorandil | 0% (0/50) |
| Angiotensin II inhibitor | 4% (2/50) |
| Prodromal Angina in preceding week | 36% (18/50) |
| IRA: | |
| LAD | 38% (19/50) |
| RCA | 50% (25/50) |
| LCx | 12% (6/50) |
| TIMI flow in IRA pre PPCI: | |
| 0 | 96% (48/50) |
| 1 | 4% (2/50) |
| TIMI flow in IRA post PPCI: | |
| 2 | 6% (3/50) |
| 3 | 94% (47/50) |
| Median Troponin T (ng/L) | 4818 (range 158–10000) |
| Mean EF at baseline (%) | 50 (range 26–66) |
| Infarct size (% LV ± SD) | 22 ± 10 |
| Late microvascular obstruction (% LV, median and range) | 2.5 (0 to 27.5) |
| Microvascular obstruction index (median and range) | 0.10 (0 to 0.58) |