Fig. 2.

Differences in level of evidence in support of clinical research studies presented at the Annual Meeting of the American Academy of Orthopaedic Surgeons, 2001 to 2010. LOE = level of evidence. (Table reproduced from Voleti PB, Donegan DJ, Baldwin KD, Lee GC. Level of evidence of presentations at American Academy of Orthopaedic Surgeons annual meetings. J Bone Joint Surg Am. 2012;94:e50[1-5].)