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. 2012 Sep 12;2012(9):CD007921. doi: 10.1002/14651858.CD007921.pub2

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

Panneton 2004

* Numbers estimated manually from Kaplan‐Meier curves