| Variable | General population | No reflow | Absence no reflow | p |
| Thrombotic load | 208 (58.7%) | 65 (76.5%) | 143 (53.2%) | 0.0001 |
| TCA delay > 6 H | 160 (45.2%) | 47 (55.3%) | 113 (42%) | 0.018 |
| Direct Stenting | 151 (47%) | 20 (23.5%) | 131 (48.7%) | 0.18 |
| Predilation | 136 (40%) | 41 (48.2%) | 95 (35.3%) | 0.001 |
| Thromboaspiration | 8 (2%) | 4 (4.7%) | 4 (1.4%) | 0.3 |
| Number of Stents | ||||
| 1 stent | 251 (70.9%) | 53 (62.3%) | 198 (73.6%) | 0.6 |
| 2 stents | 53 (15%) | 15 (17.6%) | 38 (14.1%) | 0.16 |
| Mean stent length | 18.26 ± 7.3 | 20.91 ± 8.2 | 17.63 ± 6.8 | 0.12 |
| Final TIMI flow | 267 (75.4%) | 57 (67%) | 210 (78%) | |
| TIMI 0 | 43 (16.1%) | 43 (75.4%) | 0 (0%) | 0.0001 |
| TIMI 1 | 0 (%) | 0 (0%) | 0 (0%) |
|
| TIMI 2 | 14 (5.2%) | 3 (30.5%) | 11 (6.7%) | 0.11 |
| TIMI 3 | 210 (78.7%) | 11 (5.8%) | 199 (98.8%) | 0.11 |
| Final Blush | ||||
| Blush 0 | 32 (9%) | 32 (37.6%) | 0 (0%) | 0.0001 |
| Blush 1 | 22 (6.2%) | 22 (25.9%) | 0 (0%) | 0.0001 |
| Blush 2 | 56 (15.8%) | 5 (5.9%) | 51 (19%) | 0.08 |
| Blush 3 | 244 (69%) | 26 (30.6%) | 218 (81%) | 0.19 |
| Persistent pain post TCA | 34 (9.6%) | 16 (19%) | 18 (6.7%) | 0.008 |
| Elevation regression < 50% | 67 (18.9%) | 38 (44.7%) | 29 (10.7% | 0.0001 |