7. Below knee bypass pre‐cuffed versus vein cuffed PTFE: primary patency, secondary patency and limb salvage rates.
Primary patency rate (%) | Secondary patency rate (%) | Limb salvage rate (%) | ||||
Months | 12 | 24 | 12 | 24 | 12 | 24 |
Pre‐cuffed PTFE | 62* | 49* | 66* | 55* | 75* | 62* |
Vein cuff PTFE | 52* | 44* | 53* | 50* | 72* | 65* |
P | 0.53 | 0.30 | 0.88 |
* Numbers estimated manually from Kaplan‐Meier curves