{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T02:56:22Z","timestamp":1774320982618,"version":"3.50.1"},"reference-count":44,"publisher":"Oxford University Press (OUP)","issue":"11","funder":[{"DOI":"10.13039\/100000133","name":"Agency for Healthcare Research and Quality","doi-asserted-by":"publisher","award":["R01 HS025692"],"award-info":[{"award-number":["R01 HS025692"]}],"id":[{"id":"10.13039\/100000133","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Eastern Colorado Geriatric Research, Education, and Clinical Center (GRECC) Advanced Geriatrics Research Fellowship from the United States (U.S.) Department of Veterans Affairs"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,10,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Prediction models can be useful tools for monitoring patient status and personalizing treatment in health care. The goal of this study was to compare the relative strengths and weaknesses of 2 different approaches for predicting functional recovery after knee arthroplasty: a neighbors-based \u201cpeople-like-me\u201d (PLM) approach and a linear mixed model (LMM) approach.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>We used 2 distinct datasets to train and then test PLM and LMM prediction approaches for functional recovery following knee arthroplasty. We used the Timed Up and Go (TUG)\u2014a common test of mobility\u2014to operationalize physical function. Both approaches used patient characteristics and baseline postoperative TUG values to predict TUG recovery from days 1\u2013425 following surgery. We then compared the accuracy and precision of PLM and LMM predictions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 317 patient records with 1379 TUG observations were used to train PLM and LMM approaches, and 456 patient records with 1244 TUG observations were used to test the predictions. The approaches performed similarly in terms of mean squared error and bias, but the PLM approach provided more accurate and precise estimates of prediction uncertainty.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion and Conclusion<\/jats:title>\n                    <jats:p>Overall, the PLM approach more accurately and precisely predicted TUG recovery following knee arthroplasty. These results suggest PLM predictions may be more clinically useful for monitoring recovery and personalizing care following knee arthroplasty. However, clinicians and organizations seeking to use predictions in practice should consider additional factors (eg, resource requirements) when selecting a prediction approach.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/jamia\/ocac123","type":"journal-article","created":{"date-parts":[[2022,7,29]],"date-time":"2022-07-29T01:18:55Z","timestamp":1659057535000},"page":"1899-1907","source":"Crossref","is-referenced-by-count":8,"title":["Comparing \u201cpeople-like-me\u201d and linear mixed model predictions of functional recovery following knee arthroplasty"],"prefix":"10.1093","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2365-7780","authenticated-orcid":false,"given":"Jeremy","family":"Graber","sequence":"first","affiliation":[{"name":"VA Eastern Colorado Geriatric Research, Education, and Clinical Center (GRECC), VA Eastern Colorado Health Care System , Aurora, Colorado, USA"},{"name":"Physical Therapy Program, Department of Physical Medicine and Rehabilitation, University of Colorado , Aurora, Colorado, USA"}]},{"given":"Andrew","family":"Kittelson","sequence":"additional","affiliation":[{"name":"School of Physical Therapy and Rehabilitation Science, University of Montana , Missoula, Montana, USA"}]},{"given":"Elizabeth","family":"Juarez-Colunga","sequence":"additional","affiliation":[{"name":"VA Eastern Colorado Geriatric Research, Education, and Clinical Center (GRECC), VA Eastern Colorado Health Care System , Aurora, Colorado, USA"},{"name":"Department of Biostatistics and Informatics, University of Colorado , Aurora, Colorado, USA"}]},{"given":"Xin","family":"Jin","sequence":"additional","affiliation":[{"name":"Department of Biostatistics and Informatics, University of Colorado , Aurora, Colorado, USA"}]},{"given":"Michael","family":"Bade","sequence":"additional","affiliation":[{"name":"VA Eastern Colorado Geriatric Research, Education, and Clinical Center (GRECC), VA Eastern Colorado Health Care System , Aurora, Colorado, 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