By vgreene, 22 January, 2015 C:Consensus—No supporting evidence; recommendation based on clinical opinion
By vgreene, 22 January, 2015 L:Limited—Evidence from ≥1 low-strength studies w/ consistent findings, or evidence from a single, mod-strength study, or evidence is insufficient/conflicting
By vgreene, 22 January, 2015 M:Moderate—Evidence from ≥2 mod-strength studies w/ consistent findings or evidence from single, high-quality study
By vgreene, 22 January, 2015 American Academy of Orthopaedic Surgeons. Endorsements include: The Hip Society, American Association of Clinical Endocrinologists, Orthopaedic Trauma Association, American Geriatrics Society, Orthopaedic Rehabilitation Association & others.