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. 2013 May 19;2:10. doi: 10.1186/2047-0525-2-10

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Copyright © 2013 Goodyear et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kaplan–Meier survival analysis (all-cause mortality). (a) Comparison of open AAA repair and EVAR in the pre-CPET and CPET eras. (b) Comparison of pre-CPET EVAR subjects compared with CPET-era patients managed conservatively. Curve comparison by the logrank test demonstrated no significant difference (P = 0.96). Patients on the waiting list for aortic intervention (open or endovascular) at the close of the study have been removed from the analysis. (c) Comparison of pre-CPET open AAA repair compared with CPET-era patients managed conservatively. Curve comparison by logrank test demonstrated no significant difference (P = 0.62). Patients on the waiting list for aortic intervention (open or endovascular) at the closing date of the study have been removed from the analysis. AAA: abdominal aortic aneurysm; CPET: cardiopulmonary exercise testing; EVAR: endovascular aneurysm repair; Rx: management/treatment.