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

9. Below knee bypass vein cuff PTFE with or without AVF: primary patency, secondary patency and limb salvage rates at 24 months.

  Primary patency rate (%) Secondary patency rate (%) Limb salvage rate (%)
Vein cuff PTFE with AVF 29 40 65*
Vein cuff PTFE without AVF 36 40 70*
P 0.77 0.89 0.97

Laurila 2004

AVF = arterio venous fistula

* Numbers estimated manually from Kaplan‐Meier curves