The ideal prognostic metric should demonstrate: (i) Strong model discriminability with superior Akaike information criterion (AIC) ranking, (ii) Robust prognostic power with significantly elevated hazard ratio (HR), and (iii) Clinically meaningful stratification (Kaplan–Meier survival curves with distinct separation and highly significant log-rank P -values).
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Myocardial active strain energy density and contractance: novel prognostic tools for left ventricular function and cardiovascular risk.
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