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Figure 1 Preoperative B-type natriuretic peptide (BNP) levels in patients with and without particular end points (use of an intra-aortic balloon pump [IABP], mortality [Mort] within one year, and postoperative hospital duration of stay [POD] of 10 days or more). *p = 0.015; **p = 0.034; ***p = 0.049.
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