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A comparison of tibial artery bypass performed with heparin-bonded expanded polytetrafluoroethylene and great saphenous vein to treat critical limb ischemia Richard F. Neville, MD, Avery Capone, BS, Richard Amdur, PhD, Michael Lidsky, MD, Joseph Babrowicz, MD, Anton N. Sidawy, MD, MPH Journal of Vascular Surgery Volume 56, Issue 4, Pages (October 2012) DOI: /j.jvs Copyright © 2012 Society for Vascular Surgery Terms and Conditions
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Fig 1 Kaplan-Meier survival curves with log-rank analysis show primary patency over 12 months by graft type. The error bars show the 95% confidence interval. Survival functions for patency between graft types did not differ significantly. DF, Degrees of freedom; HePTFE, heparin-bonded expanded polytetrafluroethylene; Pr, probability. Total Failed Censored Censored Occluded HePTFE Vein Total Test of equality over strata Test χ2 DF Pr >χ2 Log-rank Journal of Vascular Surgery , DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions
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Fig 2 Kaplan-Meier survival curves with log-rank analysis show amputation over 12 months by graft type. The error bars show the 95% confidence interval. Amputation risk did not differ significantly between graft types. DF, Degrees of freedom; HePTFE, heparin-bonded expanded polytetrafluroethylene; Pr, probability. Total Failed Censored Censored Amputation HePTFE Vein Total Test of equality over strata Test χ2 DF Pr >χ2 Log-rank Journal of Vascular Surgery , DOI: ( /j.jvs ) Copyright © 2012 Society for Vascular Surgery Terms and Conditions
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