Journal of Aging and Physical Activity最新文献

{"title":"Psychometric Properties Under Exploratory Factor Analysis, Confirmatory Factor Analysis, Measurement Invariance, and Item Response Theory Models of Functional Activities Questionnaire (10-Items) Among Iranian Older Adults.","authors":"Arezoo Zareian, Abdolrahim Asadollahi, Bahareh Zeynalzadeh Ghoochani, Mahin Nazari, Shahram Moradi","doi":"10.1123/japa.2024-0292","DOIUrl":"https://doi.org/10.1123/japa.2024-0292","url":null,"abstract":"<p><strong>Background/objective: </strong>This study aims to evaluate the Functional Activities Questionnaire (FAQ; 10 items) for assessing the quality of daily living activities among older adults in Iran.</p><p><strong>Methods: </strong>A total of 680 participants completed the Persian version of FAQ. We used the Rasch partial credit model, exploratory factor analysis, confirmatory factor analysis, and receiver operating characteristic analysis to evaluate the psychometric properties of the FAQ among Iranian older adults.</p><p><strong>Results: </strong>The findings from exploratory factor analysis, confirmatory factor analysis, and item response theory analysis supported the usefulness of the Persian version of the FAQ to be used in Iran. The one-factor model of the FAQ exhibited strong internal consistency, as evidenced by McDonald's omega (≥0.75), Factor Determinacy Index (≥0.8), and Overall Reliability of Fully-Informative prior Oblique Nonequivalent Anchor Parameter scores index (≥0.8). In addition, we observed measurement invariance and consistent response patterns for all items in a logical sequence, indicating the good internal consistency of the FAQ relevance.</p><p><strong>Conclusion: </strong>Persian version of FAQ-10 items is a valid and reliable instrument for measuring daily living activities among Iranian older adults. Significance/Implications: The FAQ will be a practical tool for measuring activities of daily living in community-based settings as part of comprehensive geriatric assessment in older adults.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-12"},"PeriodicalIF":1.4,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143812851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Detrimental Effects of Mental Fatigue on Cognitive and Physical Performance in Older Adults Are Accentuated by Age and Attenuated by Habitual Physical Activity.","authors":"Rubén López-Rodriguez, Christopher Ring, Jesús Díaz-García","doi":"10.1123/japa.2024-0227","DOIUrl":"https://doi.org/10.1123/japa.2024-0227","url":null,"abstract":"<p><strong>Objective: </strong>Our research objectives were to evaluate the extent to which cognitive and physical performance in older adults, when fresh, and when fatigued vary with age and habitual physical activity.</p><p><strong>Methods: </strong>We employed experimental study designs, with between- (Study 1: age: 51-64 and 65-80 years and Study 2: habitual physical activity: active and sedentary) and within-participants factors (Study 1: test: before cognitive task and after cognitive task and Study 2: session: fatigue and control and test: before and after cognitive task). In testing sessions, participants performed exercise (6-min walk, 30-s sit stand, and 30-s arm curl) and cognitive (response inhibition and vigilance) tasks before and after a 20-min demanding cognitive task (time load dual back [TLDB] task). In Study 2, participants completed a paced breathing task (control session) as well as the TLDB (fatigue session). Ratings of mental fatigue and exercise-related perceived exertion were obtained.</p><p><strong>Results: </strong>The 20-min TLDB task elicited a state of mental fatigue. Cognitive and physical performance was worse after than before the TLDB task. These impairments in performance were moderated by age (Study 1) and habitual physical activity (Study 2).</p><p><strong>Conclusion: </strong>The deleterious effects of mental fatigue on cognitive and physical performance were accentuated by aging and attenuated by habitual physical activity.</p><p><strong>Implications: </strong>Cognitive and/or physical training could mitigate the negative effects of mental fatigue on performance in older adults.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-12"},"PeriodicalIF":1.4,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143789317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancing Age Is Not Associated With Greater Exercise-Induced Muscle Damage: A Systematic Review, Meta-Analysis, and Meta-Regression.","authors":"John F T Fernandes, Laura J Wilson, Amelia F Dingley, Andrew N Hearn, Kelsie O Johnson, Kirsty M Hicks, Craig Twist, Lawrence D Hayes","doi":"10.1123/japa.2024-0165","DOIUrl":"https://doi.org/10.1123/japa.2024-0165","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this paper was to undertake a Preferred Reporting Items for Systematic Reviews and Meta-Analysis-accordant meta-analysis comparing exercise-induced muscle damage (EIMD) in older and younger adults.</p><p><strong>Methods: </strong>Google Scholar, PubMed, and SPORTDiscus were searched in June 2023 for the terms \"ageing\" OR \"age\" OR \"middle-aged\" OR \"old\" OR \"older\" OR \"elderly\" OR \"masters\" OR \"veteran\" AND \"muscle damage\" OR \"exercise-induced muscle damage\" OR \"exercise-induced muscle injury\" OR \"contraction-induced injury\" OR \"muscle soreness\" OR \"delayed onset muscle soreness\" OR \"creatine kinase.\" From 1,092 originally identified titles, 36 studies were included which had an exercise component comparing a younger against an older group. The outcome variables of EIMD were muscle function, muscle soreness, and creatine kinase. A meta-analysis was conducted on change to EIMD after exercise in older versus younger adults using standardized mean difference (SMD) and an inverse-variance random effects model.</p><p><strong>Results: </strong>Change after 24 and 72 hr, and peak change, in muscle function was not different between old and young (SMD range = -0.16 to -0.35). Muscle soreness was greater in younger than older adults for all comparisons (SMD range = -0.34 to -0.62). Creatine kinase was greater in younger than older adults at 24 hr (SMD = -0.32), as was peak change (SMD = -0.32). A relationship between sex and peak muscle function change was evident for males (SMD = -0.45), but not females (SMD = -0.44). All other meta-regression was nonsignificant.</p><p><strong>Conclusion: </strong>Advancing age is not associated with greater symptoms of EIMD. The implication of this study is that the older adults can pursue regular physical activity without concern for experiencing greater EIMD.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-19"},"PeriodicalIF":1.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143774852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship Between Cognitive Deficit and Physical Performance in Older People: Results From Pro-Eva Study.","authors":"Charle Victor Martins Tertuliano, Rafaella Silva Dos Santos Aguiar Gonçalves, Sabrina Gabrielle Gomes Fernandes Macêdo, Álvaro Campos Cavalcanti Maciel","doi":"10.1123/japa.2023-0240","DOIUrl":"https://doi.org/10.1123/japa.2023-0240","url":null,"abstract":"<p><strong>Background/objectives: </strong>Cognitive decline may be associated with functional decline in older people, even when this relationship is controlled by important social and biological predictors.</p><p><strong>Objective: </strong>To assess the relationship between cognitive decline and physical performance in community-dwelling older people and to identify factors associated with low physical performance.</p><p><strong>Methods: </strong>This is a cross-sectional study, composed of older people (≥60 years) living in the city of Parnamirim, Brazil. Data on sociodemographic factors, clinical-functional characteristics, cognitive deficits (assessed using the Leganés Cognitive Test), and physical performance were collected. Statistical analysis was performed using Student's t, Chi-square, and Poisson regression tests.</p><p><strong>Results: </strong>Seven hundred and sixty older people were evaluated, with an average age of 70.18 (±7.11) years. The prevalence of cognitive dysfunction was 19.3%. There was a statistically significant association between cognitive deficit and physical performance (p < .001). The factors associated with low physical performance were age (p ≤ .001), female sex (p ≤.001), use of psychotropic drugs (p = .025), diagnosis of diabetes mellitus (p = .028), and the presence of cognitive deficit (p = .001).</p><p><strong>Conclusion: </strong>We found an association between cognitive decline and physical performance in a sample of community-dwelling older people. Low physical performance was associated with older age, female sex, presence of diabetes, use of psychotropic drugs, and deficits in cognitive function. Significance/Implications: Health professionals must be aware of potentially modifiable factors and develop effective preventive and nonpharmacological care measures to improve health outcomes in the older population, thus improving quality of life, promoting independence, and reducing cognitive-functional disabilities.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-8"},"PeriodicalIF":1.4,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143732812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Walking Parameters of Older Adults on Hilly and Level Terrain Outdoors.","authors":"Emmi Matikainen-Tervola, Neil Cronin, Eeva Aartolahti, Sailee Sansgiri, Olli-Pekka Mattila, Taija Finni, Merja Rantakokko","doi":"10.1123/japa.2024-0222","DOIUrl":"https://doi.org/10.1123/japa.2024-0222","url":null,"abstract":"<p><strong>Background/objective: </strong>To understand how older adults adapt their walking to various environments, it is important to study walking outdoors, including on hilly terrain. This cross-sectional study aimed to validate inertial measurement units (IMUs) for detecting older adults' walking parameters on uphill and downhill terrains and to compare these parameters between level and hilly terrains.</p><p><strong>Methods: </strong>A sample of older adults (N = 35; Mage = 76 years, SD = 5; 71% women) walked on a level, uphill, and downhill route outdoors at self-selected speeds. Three IMUs were used to estimate walking parameters (step, stride, swing, and stance durations; cadence; step length; and walking speed). IMUs were validated against high-speed video camera data from six participants. After validation, differences in walking parameters between the three terrains were assessed with repeated measures analysis of variance and variability of the parameters (SD/mean × 100%) with Friedman's test.</p><p><strong>Results: </strong>IMUs showed mainly good to excellent validity for temporal but not spatial walking parameters in hilly outdoor environments. Older adults exhibited longer step, stride, and swing durations, and lower cadence on level and uphill versus downhill. On level terrain, cadence was higher, and step, stride, and stance durations were shorter than uphill. Variability of temporal parameters was greatest uphill.</p><p><strong>Conclusion: </strong>IMUs demonstrated potential to measure walking parameters of older adults in hilly terrain. The results suggest that older adults' outdoor walking parameters differ between level and hilly terrain. Significance/Implications: These results can inform the design of outdoor walking interventions for older adults by considering the usability of IMUs and the changes in walking parameters due to environment.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-9"},"PeriodicalIF":1.4,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143712044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Sustained Athlete Fitness Exam-Outcomes of U.S. National Senior Games Athletes.","authors":"Becca D Jordre, Wendy K Viviers, William Schweinle","doi":"10.1123/japa.2024-0416","DOIUrl":"https://doi.org/10.1123/japa.2024-0416","url":null,"abstract":"<p><strong>Background/objectives: </strong>Physical fitness screening measures for older athletes are lacking in clinical and research arenas. This study aims to define the Sustained Athlete Fitness Exam (SAFE), a comprehensive tool developed using age and sex-based normative data from U.S. National Senior Games athletes, and to investigate any SAFE differences by age, sex, sport, or exercise volume.</p><p><strong>Methods: </strong>This cross-sectional study engaged 4,659 U.S. National Senior Games athletes (Mage = 67.65, SD = 9.12, 59.1% female). Athletes completed health history questions and physical performance measures addressing cardiovascular, muscular, flexibility, and balance subscales. Scoring applied age and sex norms from the study population. Outcomes were compared by age group, sex, sport, and exercise volume.</p><p><strong>Results: </strong>All 22 National Senior Games sports were represented in the study population. Health histories revealed low rates of chronic conditions, with 28.5% reporting none. Median weekly cardiovascular and resistance exercise volumes were 240 and 30 min, respectively. Of the 20 points possible on the SAFE, scores ranged from 2 (0.2%) to 20 (0.8%), with a median of 13. SAFE scoring demonstrated minimal differences by age group or sex and aligned predictably by sport. Higher exercise volumes were associated with superior SAFE composite scores, with nearly all subscales following this trend.</p><p><strong>Conclusion: </strong>The SAFE and associated norms offer population-specific comparisons previously unavailable for older athletes, with a tool able to address multiple domains of physical fitness while avoiding ceiling and floor effects. Significance/Implications: These findings provide the opportunity to improve assessment, treatment, preventative medicine, and training support for a growing demographic.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-12"},"PeriodicalIF":1.4,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143671661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acceptability of Cycling With Virtual Reality Among Older Adults Living Independently in a Retirement Village: An Observational Study.","authors":"Teketo Kassaw Tegegne, Jonathan Charles Rawstorn, Ingela Skärsäter, Anne-Christine Hertz, Ralph Maddison","doi":"10.1123/japa.2024-0122","DOIUrl":"https://doi.org/10.1123/japa.2024-0122","url":null,"abstract":"<p><strong>Background: </strong>Improving physical activity and sedentary behaviors can maintain and improve cardiovascular, musculoskeletal, and psychosocial function for older adults (≥65 years) but finding acceptable, enjoyable, and safe strategies to achieve this is challenging. The immersive BikeAround technology-which integrates stationary cycling with Google Earth Street View-may be an effective strategy as it enhances acute exercise enjoyment and motivation, but treatment effects, safety, and engagement during prolonged use in free-living environments remain unknown. We evaluated the acceptability of BikeAround among older adults in a retirement village and assessed its preliminary effects on physical activity, cardiorespiratory fitness, blood pressure, cognitive function, perceived exertion, and balance, and mobility.</p><p><strong>Methods: </strong>We conducted a single-arm BikeAround acceptability study among older adults living independently in a retirement village. Descriptive and inferential statistics were performed to evaluate acceptability and treatment effects on physical activity, and health outcomes, respectively.</p><p><strong>Results: </strong>Among 20 older adults, BikeAround was acceptable. More than half of the participants showed their intention to use BikeAround again. Statistically significant improvements were observed in the Mini-Balance Evaluation Systems Test score (Wilcoxon test statistic = 210 and p < .01). There was a positive trend in physical activity participation, but none of the physical activity and sedentary behavior measures showed a statistically significant difference.</p><p><strong>Conclusion: </strong>BikeAround was acceptable to older people for promoting physical activity in a retirement village, which could have a significant role in their health and well-being.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-9"},"PeriodicalIF":1.4,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Perceptions About Dyadic Physical Activity Intervention for Rural-Dwelling People With Cognitive Impairment.","authors":"Rashelle M Hoffman, Blake R Murphy, Shinobu Watanabe-Galloway, Eric D Vidoni, Catherine A Riffin, Joan K Monin","doi":"10.1123/japa.2024-0139","DOIUrl":"https://doi.org/10.1123/japa.2024-0139","url":null,"abstract":"<p><strong>Background/objectives: </strong>Rural populations face an elevated risk of Alzheimer's disease and related dementias partially attributed to modifiable risk factors such as physical inactivity. The study gathered key community partners' perspectives about (a) feasibility of implementing the telerehabilitation physical activity behavioral (TPAB) intervention, a virtual program aimed at increasing daily stepping with sensor-based monitoring, and (b) necessary adaptions for implementation for rural-dwelling people with cognitive impairment and care partners (dyads).</p><p><strong>Methods: </strong>Eleven rural-dwelling individuals (three medical providers, four older adults, and four care partners of individuals with mild cognitive impairment) in Nebraska were recruited for a focus group via fliers and word of mouth. The person-based approach was used to gain the perspectives of participants during a 1-hr group discussion regarding six dimensions of feasibility. Session transcriptions were analyzed using thematic analysis.</p><p><strong>Results: </strong>Participants highlighted the need to improve physical activity in the community and supported care partners receiving TPAB alongside individuals with mild cognitive impairment. Suggested modifications to TPAB included, establishing a local champion, integrating local resources, involving primary care providers, setting recruitment deadlines, using participant testimonies for recruitment, and emphasizing program individualization.</p><p><strong>Conclusion: </strong>Overall, participants perceived TPAB was practical, feasible, and necessary for rural-dwelling participants with cognitive impairment and their care partners; however, several adaptations and the creation of the Cognitive Impairment Rural Community-TPAB are required to optimize rural implementation. Significance/Implications: There is an identified need for the TPAB intervention with outlined redesign approaches to facilitate intervention development and rural implementation.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-9"},"PeriodicalIF":1.4,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143626676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of Balance Confidence in Older Adults With and Without Long-Haul COVID-19.","authors":"Mariel Relyea, Harsh H Buddhadev, Gordon R Chalmers, Steve Bennett","doi":"10.1123/japa.2024-0116","DOIUrl":"https://doi.org/10.1123/japa.2024-0116","url":null,"abstract":"<p><strong>Background/objectives: </strong>The effects of long COVID-19 on balance and fall risk in older adults are unknown. This study aimed to explore the relationship between balance confidence/fall risk, as assessed by the Activities-Specific Balance Confidence Scale and the Falls Efficacy Scale-International, and long COVID-19 status in older adults.</p><p><strong>Methods: </strong>This study assessed balance confidence and concern of falling in older adults (≥60 years) with long COVID-19 (long-haulers, n = 30) compared with older adults who experienced COVID-19 but not long COVID-19 (non-long-haulers, n = 60) and older adults (controls) who self-reported never having COVID-19 (n = 52). Participants gave informed consent and completed the Activities-Specific Balance Confidence Scale and the Falls Efficacy Scale-International. Data were analyzed using Kruskal-Wallis tests.</p><p><strong>Results: </strong>Long-haulers had lower balance confidence and greater concern of falling compared with non-long-haulers (p < .001; p < .001) and controls (p = .011; p = .027).</p><p><strong>Conclusion: </strong>Older adults with long-haul COVID-19 have decreased balance confidence and increased concern of falling compared with non-long-haulers and healthy controls, which may indicate a greater fall risk. Significance/Implications: Older adults with long COVID-19 may have a heightened need for resources and healthcare services related to fall prevention. Consideration of long COVID-19 status may be an important factor in improving older adult's outcomes.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-8"},"PeriodicalIF":1.4,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143574599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of Handgrip Strength With Readmission, Mortality, and Exercise Capacity in Patients With Heart Failure.","authors":"Soohyung Park, Se Hyun Park, Jieun Lee, You-Jung Choi, Dong Oh Kang, Eun Jin Park, Jah Yeon Choi, Seung-Young Roh, Dae-In Lee, Jin Oh Na, Jin Won Kim, Eung Ju Kim, Seung-Woon Rha, Chang Gyu Park, Cheol Ung Choi","doi":"10.1123/japa.2023-0298","DOIUrl":"https://doi.org/10.1123/japa.2023-0298","url":null,"abstract":"<p><strong>Background: </strong>Patients with heart failure (HF) experience a marked reduction in overall skeletal muscle strength and exercise capacity, which is detrimental to their prognosis. This study examined the clinical implications of handgrip strength (HGS) in patients with HF.</p><p><strong>Methods: </strong>Overall, 173 patients (mean age, 62 years; 81.5% male) underwent cardiac rehabilitation from 2015 to 2020. Baseline HGS was measured as the average value (kg) for both hands using a handheld dynamometer. For each patient, distance walked during a 6-min walk test and metabolic equivalents were recorded. The primary outcome was the composite of readmissions for HF and all-cause death.</p><p><strong>Results: </strong>Receiver operating characteristic curve for the primary outcome revealed 24.9 kg as the HGS cutoff point (area under curve: 0.702, 95% confidence interval [0.610, 0.794], p < .001) and multivariable Cox proportional hazard analysis revealed that lower HGS was significantly associated with a higher risk of readmission for HF or all-cause death (hazard ratio [HR] 6.44, 95% confidence interval [2.86, 14.50], p < .001). This result is mainly attributed to the increased risk of readmission for HF in this group (hazard ratio 6.75, 95% confidence interval [2.87, 15.88], p < .001). Moreover, HGS was significantly positively correlated with distance on 6-min walk test (r = .564, p < .001) and metabolic equivalents (r = .419, p < .001), and is one of the strongest predictors of each exercise capacity category.</p><p><strong>Conclusions: </strong>As our findings suggested, HGS is an indicator of exercise capacity and a useful marker for predicting hospital readmission or all-cause death in patients with HF.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-11"},"PeriodicalIF":1.4,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143568622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}