By vgreene, 22 January, 2015 Last Update Fri, 02/17/2017 - 12:00 Abstract Link Link to free full-text PDF Is this pdf 1 Publication Year Wed, 01/01/2014 - 12:00 Source AAOS Evidence Grade S:Strong—Evidence from ≥2 high-strength studies w/ consistent findings M:Moderate—Evidence from ≥2 mod-strength studies w/ consistent findings or evidence from single, high-quality study L:Limited—Evidence from ≥1 low-strength studies w/ consistent findings, or evidence from a single, mod-strength study, or evidence is insufficient/conflicting C:Consensus—No supporting evidence; recommendation based on clinical opinion Abbreviation ASA Ca++ Hgb MRI OT ORIF OR PT VTE