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Figure 4 | Perioperative Medicine

Figure 4

From: Risk stratification by pre-operative cardiopulmonary exercise testing improves outcomes following elective abdominal aortic aneurysm surgery: a cohort study

Figure 4

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.

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Perioperative Medicine

ISSN: 2047-0525