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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Ann Thorac Surg. 2014 Sep 18;98(5):1776–1781. doi: 10.1016/j.athoracsur.2014.06.045

Figure 2. Kaplan-Meier Time to event curves for Ventilator Days (Panel A), ICU Days (Panel B) and Post-operative Length of Stay (Panel C).

Figure 2

Among the four BMI groups, there were no significant differences in median number of ventilator days (log rank p=0.128), median number of ICU days (log rank p=0.787) or in median number of post-operative days (log rank p=0.472). The four in-hospital deaths were censored and are represented by tick marks on the curve.