Results of CMR functional parameters and infarct characteristics from baseline and 3 months as categorised by the presence of MVO or haemorrhage
| No MVO or Haemorrhage (n=18) | MVO only (n=18) | Haemorrhage (n=12) | ANOVA p value | |
| LVEDV index (ml/m2) | ||||
| Baseline | 85.4 (14.7) | 91.7 (21.6) | 102.1 (12.6) | 0.043 |
| 3 Months | 81.8 (18.5) | 89.5 (21.8) | 112 (20.8) | 0.001 |
| p Value baseline vs 3 months | 0.226 | 0.278 | 0.045 | |
| LVESV index (ml/m2) | ||||
| Baseline | 46.7 (13.9) | 55.1 (20.5) | 66.8 (11.5) | 0.007 |
| 3 Months | 39.2 (15.4) | 48.5 (19.1) | 67.9 (17.9) | <0.001 |
| p Value baseline vs 3 months | 0.007 | 0.001 | 0.774 | |
| LVEF (%) | ||||
| Baseline | 46.1 (9.3) | 41.2 (8.4) | 34.6 (8.1) | 0.004 |
| 3 Months | 53.0 (8.6) | 47.1 (8.1) | 39.9 (6.9) | <0.001 |
| p Value baseline vs 3 months | 0.001 | 0.001 | 0.014 | |
| Left ventricular mass index (g/m2) | ||||
| Baseline | 55.0 (15) | 56.8 (17.3) | 65.4 (16.9) | 0.223 |
| 3 Months | 51.5 (13.8) | 52.8 (17.3) | 62.0 (15.4) | 0.175 |
| p Value baseline vs 3 months | 0.029 | 0.016 | 0.213 | |
| %LV–scar | ||||
| Baseline | 16.3 (9.4) | 29.5 (11.1) | 36.2 (15.3) | <0.001 |
| 3 Months | 11.3 (9.4) | 19.8 (9.5) | 29.3 (16.8) | 0.001 |
| p Value baseline vs 3 months | 0.001 | 0.001 | 0.019 | |
| %LV–AAR | 29.2 (13.3) | 40.7 (9.7) | 43.2 (20.8) | 0.020 |
| %AAR–salvaged | 42.5 (24.2) | 26.7 (20.6) | 11.3 (13.5) | 0.001 |
| %LV–MVO | 0 | 0.75 (1.2) | 3.38 (4.1) | <0.001 |
ANOVA, analysis of variance; LVEDV, left ventricular end-diastolic volume; LVEF, left ventricular ejection fraction; LVESV, left ventricular end-systolic volume; MVO, microvascular obstruction; %AAR–salvaged, percentage of area at risk salvaged; %LV–AAR, percentage of left ventricular mass at risk; %LV–MVO, percentage of left ventricular mass that has MVO; %LV–scar, percentage of left ventricular mass that is infarcted.