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Latent class growth models were set up for the frailty trajectory. Multinomial logistic regression was performed to explore the predictors of frailty trajectory classes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      One hundred fifty\u2010three participants completed the full follow\u2010up. Latent class growth models identified 3 frailty trajectories. Class 1: moderate frailty transformed to severe frailty (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200927; 17.65%); Class 2: mild frailty transformed to moderate frailty (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200986; 56.20%); Class 3: pre\u2010frailty transformed to mild frailty (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200940; 26.15%). A higher\u2010level D\u2010Dimer at admission and the five\u2010item version of the Geriatric Depression Scale increased the incidence of Class 2 compared to Class 3. The higher scores of the Abbreviated Mental Test decreased the incidence of Class 2 compared to Class 3. Longer surgical waiting time, a higher\u2010level five\u2010item version of the Geriatric Depression Scale and the Age\u2010Adjusted Charlson Comorbidity Index increased the incidence of Class 1 compared to Class 3. The higher scores of the Abbreviated Mental Test and Mini Nutritional Assessment Short Form decreased the incidence of Class 1 compared to Class 3.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Three frailty trajectory classes were identified among older adults living with frailty who experience hip fracture surgery after discharge within 3\u2009months. D\u2010Dimer at admission, surgical waiting time, depressive symptoms, cognitive status, comorbidity index and nutritional status are associated with these fluctuating frailty trajectories.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Implications for the Profession and\/or Patient Care<\/jats:title>\n                    <jats:p>Modifiable factors such as improving nutrition and cognitive status and managing depression, comorbidities and preoperative evaluations provide methods for future interventions to prevent or mitigate frailty among this population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Impact<\/jats:title>\n                    <jats:p>\n                      <jats:italic>What problem did the study address?<\/jats:italic>\n                      Frailty is an inherent dynamic among older adults living with frailty who experience hip fracture surgery after discharge within 3\u2009months. Some factors affect the mitigated frailty process in this population.\n                      <jats:italic>What were the main findings?<\/jats:italic>\n                      Three frailty trajectory classes were identified in this study. And the level of their frailty worsens 3\u2009months after surgery compared to pre\u2010fracture. D\u2010Dimer at admission, surgical waiting time, depressive symptoms, cognitive status, comorbidity index and nutritional status are associated with these fluctuating frailty trajectories.\n                      <jats:italic>Where and on whom will the research have an impact?<\/jats:italic>\n                      The findings of this study provide screening, intervention and discharge plan evidence for healthcare workers in orthopaedics and geriatrics Departments. Helping community healthcare workers and primary caregivers set the theoretical basis for home\u2010based intervention programs.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Reporting Method<\/jats:title>\n                    <jats:p>We have adhered to relevant EQUATOR guidelines using the STROBE reporting method.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patient Contribution<\/jats:title>\n                    <jats:p>No patient or public contribution.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jan.70558","type":"journal-article","created":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T05:20:24Z","timestamp":1771824024000},"page":"9207-9220","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Frailty Trajectory Within 3 Months After Discharge Among Older 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