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Tibial bypass grafting for limb salvage with ringed polytetrafluoroethylene prostheses: Results of primary and secondary procedures Hans Schweiger, MD, Peter Klein, MD, Werner Lang, MD Journal of Vascular Surgery Volume 18, Issue 5, Pages (November 1993) DOI: / (93)90343-K Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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Fig. 1 Cumulative life-table primary patency rates for all grafts, primary grafts, and secondary grafts. Number at each point indicates number of patent grafts observed for that interval. Standard error of each point is shown. Difference between patency of primary and secondary grafts is significant (p < 0.001). Journal of Vascular Surgery , DOI: ( / (93)90343-K) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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Fig. 2 Cumulative life-table limb salvage rates for all patients with primary and secondary procedures. Number at each point indicates number of patent grafts observed for that interval. Standard error of each point is shown. When one limb had two secondary PTFE tibial grafts in this series (n = 8), length of observation is referred to first secondary graft. Journal of Vascular Surgery , DOI: ( / (93)90343-K) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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