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. Author manuscript; available in PMC: 2015 Feb 20.
Published in final edited form as: J Thorac Cardiovasc Surg. 2013 Oct 30;147(1):186–191.e1. doi: 10.1016/j.jtcvs.2013.09.011

Figure 1.

Figure 1

Unadjusted Kaplan-Meier survival curves for frail and nonfrail patients.