Abstract
Abstract Funding Acknowledgements Type of funding sources: Public grant(s) – National budget only. Main funding source(s): The Netherlands Organization for Health Research and DevelopmentThe Dutch Research Council Introduction Physical activity levels might be a simple overall physical marker of recovery in acutely hospitalized older adults; however, cut-off values post discharge are lacking. Purpose We aim to identify cut-off values for post-discharge physical activity that indicate recovery among acutely hospitalized older adults and stratified for frailty. Methods Prospective observational cohort study including acutely hospitalized older adults (≥70 years) during hospitalization and at home. Frailty was assessed using Fried’s criteria. Steps and intensity of physical activity were assessed using Fitbit up to one week post discharge. The primary outcome was recovery at 3-months post discharge. ROC-curve analyses were used to determine cut-off values, and logistic regression analyses to calculate odds ratios (ORs). Results The analytic sample included 174 participants with a mean (standard deviation) age of 79.2 (6.7) years of whom 84/174 (48%) were frail and 67 (39%) had cardiac disease. At 3-months, 109/174 participants (63%) had recovered. In all participants, determined cut-off values were 1369 steps/day (OR: 2.5, 95% confidence interval [CI]: 1.3–4.6) and 76 minutes/day of light intensity activity (OR: 3.0, 95% CI: 1.6–5.8). In frail participants, cut-off values were 1043 steps/day (OR: 3.3, 95% CI: 1.3–8.4) and 72 minutes/day of light intensity activity (OR: 4.2, 95% CI: 1.6–10.8). Determined cut-off values were not significantly associated with recovery in non-frail participants. Conclusions We recommend at least 1369 steps per day and 76 minutes of light activity to help older patients’ recovery from an acute hospitalization.
Published Version
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