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Clamp use according to epiaortic grade
| Epiaortic Grade | No Clamp (N=79) | Clamp (N=446) | Total |
|---|---|---|---|
| 0 | 3 (42.9%) | 4 (57.1%) | 7 |
| 1 | 12 (3.8%) | 303 (96.2%) | 315 |
| 2 | 10 (7.8%) | 118 (92.2%) | 128 |
| 3 | 25 (59.5%) | 17 (40.5%) | 42 |
| 4 | 15 (83.3%) | 3 (16.7%) | 18 |
| 5 | 14 (93.3%) | 1 (6.7%) | 15 |
