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. 2019 Oct 14;100(1):99–106. doi: 10.1093/ptj/pzz139

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© 2019 American Physical Therapy Association

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

PMC Copyright notice

Clinically collected outcomes data from people following total knee arthroplasty (TKA) surgery for the (A) Timed Up and Go (TUG) test (n = 244) and (B) Western Ontario and McMaster Universities (WOMAC) Osteoarthritis Index (n = 203). The heterogeneity in outcomes is apparent, illustrating the limitations of diagnosis-based protocols for decisions with individual patients. For the purposes of the example in this Perspective, deidentified outcomes data (collected in routine practice at ATI Therapy, Greenville, SC, USA) were accessed retroactively for the TUG test and the WOMAC Osteoarthritis Index.