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Dirk Th. Ubbink, MD, PhD, Mark Fidler, MD, Dink A. Legemate, MD, PhD 

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Presentation on theme: "Dirk Th. Ubbink, MD, PhD, Mark Fidler, MD, Dink A. Legemate, MD, PhD "— Presentation transcript:

1 Interobserver variability in aortoiliac and femoropopliteal duplex scanning 
Dirk Th. Ubbink, MD, PhD, Mark Fidler, MD, Dink A. Legemate, MD, PhD  Journal of Vascular Surgery  Volume 33, Issue 3, Pages (March 2001) DOI: /mva Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

2 Fig. 1 Interobserver variability of PSV ratio measurements of aortoiliac arteries by observers A and B according to Bland and Altman. Ninety-five percent limits of agreement and mean difference lines are drawn in plot. The difference between two PSV ratio measurements from both observers is denoted on vertical axis; the mean of two PSV registrations is denoted on horizontal axis. PSV, Peak systolic velocity. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

3 Fig. 2 Interobserver variability of PSV ratio measurements of aortoiliac arteries by observers A and C according to Bland and Altman. Ninety-five percent limits of agreement and mean difference lines are drawn in plot. Difference between two PSV ratio measurements from both observers is denoted on vertical axis; the mean of two PSV registrations is denoted on horizontal axis. PSV, Peak systolic velocity. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

4 Fig. 3 Interobserver variability of PSV ratio measurements of femoropopliteal arteries by observers A and B according to Bland and Altman. Ninety-five percent limits of agreement and mean difference lines are drawn in plot. Difference between two PSV ratio measurements from both observers is denoted on vertical axis; the mean of two PSV registrations is denoted on horizontal axis. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

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