Prospective, randomized study of external jugular vein patch versus polytetrafluoroethylene patch during carotid endarterectomy: perioperative and long- term results Franco Grego, MD, Michelle Antonello, MD, Sandro Lepidi, MD, Stefano Bonvini, MD, Giovanni P Deriu, MD Journal of Vascular Surgery Volume 38, Issue 6, Pages 1232-1240 (December 2003) DOI: 10.1016/S0741-5214(03)00912-1
Fig 1 Survival-free rate for groups A (squares) and B (diamonds) at 6-month intervals (Kaplan-Meier method). Standard error is ≤8.5% at 60 months for each group. EJV, External jugular vein; PTFE, polytetrafluoroethylene. Journal of Vascular Surgery 2003 38, 1232-1240DOI: (10.1016/S0741-5214(03)00912-1)
Fig 2 Relevant neurologic complication–free rate (RNCR) for groups A (squares) and B (diamonds) at 6-month intervals (Kaplan-Meier method). Standard error is ≤6.2% at 60 months for each group. EJV, External jugular vein; PTFE, polytetrafluoroethylene. Journal of Vascular Surgery 2003 38, 1232-1240DOI: (10.1016/S0741-5214(03)00912-1)
Fig 3 Stroke-free rate for groups A (squares) and B (diamonds) at 6-month intervals (Kaplan-Meier method). Standard error is ≤7.1% at 60 months for each group. EJV, External jugular vein; PTFE, polytetrafluoroethylene. Journal of Vascular Surgery 2003 38, 1232-1240DOI: (10.1016/S0741-5214(03)00912-1)
Fig 4 Freedom from significant recurrent stenosis (≥50%) for groups A (squares) and B (diamonds) at 6-month intervals (life table analysis). Standard error is ≤9.99% at 60 months for each group. EJV, External jugular vein; PTFE, polytetrafluoroethylene. Journal of Vascular Surgery 2003 38, 1232-1240DOI: (10.1016/S0741-5214(03)00912-1)