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The Orthopaedic Section of the American Physical Therapy Association (APTA) has an ongoing effort to create evidence-based practice guidelines for orthopaedic physical therapy management of patients with musculoskeletal impairments described in the World Health Organization's International Classification of Functioning, Disability, and Health (ICF). The purpose of these revised clinical practice guidelines is to review recent peer-reviewed literature and make recommendations related to hip pain and mobility deficits. J Orthop Sports Phys Ther. 2017;47(6):A1–A37. doi:10.2519/jospt.2017.0301

of less than 0.7 conveys poor discrimination. However, in the multivariable analysis, the standard uptake value was associated with survival. It is not surprising that no difference was detected in survival between groups because the major role of PET is to detect metastatic disease that would preclude hepatic resection. Hofman and colleagues correctly observe that 90% of patients in both groups had surgery, which also argues against routine performance of PET-CT.