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Figure 2 Cumulative mortality estimated by the Kaplan-Meier method of 30-day survivors stratified by revascularization (revasc.) status at 30 days and levels of biochemical markers. (A) Troponin-T (TnT) above or below the detection limit of 0.01 µg/l at admission; (B) N-terminal pro-B-type natriuretic peptide (Nt-proBNP) above or below the median of 237 ng/l at admission; (C) creatinine clearance (Crea. cl) above or below the first quartile limit of 51 ml/min at admission; (D) interleukin-6 (Il-6) above or below the third quartile limit of 10 ng/l at admission.