Fig. 4From: Assessing the level of evidence in the orthopaedic literature, 2013–2018: a review of 3449 articles in leading orthopaedic journalsNumbers (above bars) and percentages of articles by level of evidence and by orthopaedic trauma versus orthopaedic nontrauma topic, published from 2013 to 2018 in Clinical Orthopaedics and Related Research (CORR) and the Journal of Bone and Joint Surgery, American Volume (JBJS-Am)Back to article page