| ≤55 years | >55 years | p | |
| Reintervention | 37.3% | 36.10% | NS |
| HF | 6.7% | 10.20% | NS |
| Mortality | 3.7% | 10.20% | 0.01 |
| Combined events | 47.7% | 56.50% | 0.04 |