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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: J Vasc Surg. 2013 Mar 13;58(2):412–419. doi: 10.1016/j.jvs.2013.01.010

Figure 2.

Figure 2

Flow diagram depicting all patients captured by administrative data, NSQIP data, and physician chart review.