Table 3.
Patency Outcomes through 3 Years
| Patency outcomes | 1‐Year (N = 287) | 2‐Year (N = 287) | 3‐Year (N = 287) | P‐value |
|---|---|---|---|---|
| Freedom from loss of primary patency (PSVR < 2.0) | ||||
| All Subjects (n = 287) | 77.9% | 66.1% | 60.0% | |
| ≤80 mm (n = 133) | 87.5% | 80.9% | 71.0% | 0.0001 |
| > 80 mm (n = 154) | 69.6% | 53.3% | 50.5% | |
| Freedom from loss of assisted primary patency (PSVR < 2.0) | ||||
| All subjects | 82.2% | 72.2% | 66.1% | |
| ≤80 mm (n = 133) | 89.8% | 85.6% | 76.3% | 0.0003 |
| > 80 mm (n = 154) | 75.5% | 60.2% | 57.0% | |
| Freedom from loss of secondary patency | ||||
| All Subjects | 82.9% | 74.1% | 68.8% | |
| ≤80 mm (n = 133) | 89.8% | 85.6% | 78.1% | 0.001 |
| > 80 mm (n = 154) | 76.8% | 63.8% | 60.6% | |
| Freedom from TLR | ||||
| All Subjects | 86.0% | 75.3% | 69.7% | |
| ≤80 mm (n = 133) | 92.3% | 88.9% | 79.6% | 0.0003 |
| > 80 mm (n = 154) | 80.6% | 63.6% | 61.2% | |