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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Ann Thorac Surg. 2014 Jul 31;98(4):1160–1166. doi: 10.1016/j.athoracsur.2014.05.028

Figure 2.

Figure 2

Results of the brief pain index on postoperative days 2-4. Results were reported as pain >4 (on a scale of 1-7); there was no difference in these scores between groups during follow-up.