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Patency rates of vascular grafts
| Week 4 | Week 8 | Week 12 | Week 24 | |
|---|---|---|---|---|
| PU group |
24 / 24 (100%) |
18 / 18 (100%) |
11 / 12 (92%) |
5 / 6 (83%) |
| PTFE group | 24 / 24 (100%) | 16 / 18 (89%) | 7 / 12 (58%) | 2 / 6 (33%) |
Footnote: At any given time point, the patency rate was defined as a ratio between the number of patent grafts and number of dogs alive at that particular time point.
