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Measurements included: standard PFP (walking speed, grip strength, weight loss, activity, exhaustion); and self-reported questions about walking and handgrip strength. We compared objectively-measured gait speed and grip strength to self-reported questions using Cohen\u2019s Kappa and diagnostic accuracy tests. We used these measures to compare the standard PFP with self-reported versions of the PFP, focusing on a dichotomized identification of frail versus pre- or non-frail participants.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Self-reported slowness had fair-to-moderate agreement (Kappa(k)\u2009=\u20090.34\u20130.56) with measured slowness; self-reported and objective weakness had slight-to-borderline-fair agreement (k\u2009=\u20090.10\u20130.21).\u00a0Combining three self-reported slowness questions had highest sensitivity (81%) and negative predictive value (NPV; 91%). For weakness, three questions combined had highest sensitivity (72%), while all combinations had comparable NPV. Follow-up questions on level of difficulty led to minimal changes in agreement and decreased sensitivity. Substituting subjective for objective measures in our PFP model dichotomized by frail versus non\/pre-frail, we found substantial (k\u2009=\u20090.76\u20130.78) agreement between standard and self-reported PFPs. We found highest sensitivity (86.4%) and NPV (98.7%) when comparing the dichotomized standard PFP to a self-reported version combining all slowness and weakness questions. Substitutions in a three-level model (frail, vs pre-frail, vs. non-frail) resulted in fair-to-moderate agreement (k\u2009=\u20090.33\u20130.50) with the standard PFP.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Our results show potential utility as well as challenges of using certain self-reported questions in a modified frailty phenotype. A self-reported PFP with high agreement to the standard phenotype could be a valuable frailty screening assessment in clinical settings.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12877-022-03376-x","type":"journal-article","created":{"date-parts":[[2022,8,25]],"date-time":"2022-08-25T09:04:34Z","timestamp":1661418274000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Agreement between standard and self-reported assessments of physical frailty syndrome and its components in a registry of community-dwelling older adults"],"prefix":"10.1186","volume":"22","author":[{"given":"Brian","family":"Buta","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Scott","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jackie","family":"Langdon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bukola","family":"Adeosun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen","family":"Bandeen-Roche","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeremy","family":"Walston","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian-Li","family":"Xue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,8,25]]},"reference":[{"issue":"3","key":"3376_CR1","doi-asserted-by":"publisher","first-page":"M146","DOI":"10.1093\/gerona\/56.3.m146","volume":"56","author":"LP Fried","year":"2001","unstructured":"Fried LP, Tangen CM, Walston J, Newman AB, Hirsch C, Gottdiener J, et al. 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Am J Epidemiol. 2017;186(4):420\u201334. https:\/\/doi.org\/10.1093\/aje\/kwx061 (PubMedPMID:28633404;PubMedCentralPMCID:PMCPMC5860330).","journal-title":"Am J Epidemiol"}],"container-title":["BMC Geriatrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12877-022-03376-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12877-022-03376-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12877-022-03376-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,8,25]],"date-time":"2022-08-25T09:10:26Z","timestamp":1661418626000},"score":1,"resource":{"primary":{"URL":"https:\/\/bmcgeriatr.biomedcentral.com\/articles\/10.1186\/s12877-022-03376-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,8,25]]},"references-count":37,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2022,12]]}},"alternative-id":["3376"],"URL":"https:\/\/doi.org\/10.1186\/s12877-022-03376-x","relation":{},"ISSN":["1471-2318"],"issn-type":[{"value":"1471-2318","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,8,25]]},"assertion":[{"value":"1 April 2022","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"9 August 2022","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"25 August 2022","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Informed consent for study participation was obtained from all subjects in this study via consent to the \u201cRegistry of Older Adults Who May Be Willing to Participate in Research\u201d (IRB# NA_00013162) on the Johns Hopkins Bayview Medical Campus. The Johns Hopkins Medicine Institutional Review Board approved this study and analyses. All methods were carried out in accordance with relevant guidelines and regulations.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"N\/a.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"None reported.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing Interests"}}],"article-number":"705"}}