Table 5.
Comparison Between the Gray Zone and TIMI Major Bleeding
| Gray Zone | TIMI Major Bleeding | P Value | |
|---|---|---|---|
| Number | 82 | 88 | |
| Mortality | 1 (1.2%) | 18 (20.4%) | <0.001 |
| Blood transfusion | 0 (0%) | 67 (76.1%) | <0.001 |
| PCI failure | 6 (7.3%) | 12 (13.6%) | NS |
| IABP | 36 (43.9%) | 51 (58.0%) | <0.001 |
| NIV | 7 (8.5%) | 24 (27.2%) | <0.001 |
| Mechanical ventilation | 6 (7.3%) | 30 (34.1%) | <0.001 |
| CVVHDF | 6 (7.3%) | 22 (25.0%) | <0.001 |
Abbreviations: CVVHDF, continuous venovenous hemodiafiltration; IABP, intra‐aortic balloon pump; NIV, noninvasive ventilation; NS, not significant; PCI, percutaneous coronary intervention; TIMI, Thrombolysis In Myocardial Infarction.