Predictors of Mortality in Peripheral Arterial Disease After Endovascular Lower Limb Revascularization and Development of a Risk Score Based Solely on Clinical Presentation.

Subsequently, the prognostic relevance of the three XBETA-based risk categories was assessed using Kaplan–Meier survival curves, which demonstrated a highly significant separation between groups (log-rank χ 2 = 102.441; p < 0.001) ( Figure 4 ).

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