Fig. 6From: Assessing the level of evidence in the orthopaedic literature, 2013–2018: a review of 3449 articles in leading orthopaedic journalsChanges in the percentages of (a) level-I trauma, (b) level-IV trauma, and (c) high-level (level-I or level-II) trauma and non-trauma articles published from 2013 to 2018 in the Journal of Orthopaedic Trauma (JOT), Clinical Orthopaedics and Related Research (CORR), and the Journal of Bone and Joint Surgery, American Volume (JBJS-Am)Back to article page