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Kaplan-Meier survival stratified by (A) NT-proBNP, (B) cTnT, (C) HSP27 and (D) combined concentrations of HSP27 and NT-proBNP at admission. NT-proBNP, n-terminal pro-brain natriuretic peptide; HSP27, heat shock protein 27; cTnT, cardiac troponin T.
