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Kristina Åhlund,1,2 Niklas Ekerstad,3,4 Maria Bäck,2,5 Björn W Karlson,6,7 Birgitta Öberg2 1Department of Physiotherapy, NU Hospital Group, Trollhättan, Sweden; 2Department of Medical and Health Sciences, Division of Physiotherapy, Linköping University, Linköping, Sweden; 3Department of Research and Development, NU Hospital Group, Trollhättan, Sweden; 4Department of Medical and Health Sciences, Division of Health Care Analysis, Linköping University, Linköping, Sweden; 5Department of Occupational Therapy and Physiotherapy, Sahlgrenska University Hospital, Gothenburg, Sweden; 6Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; 7Department of Internal and Acute Medicine, NU Hospital Group, Trollhättan-Uddevalla, Sweden Introduction: Physical deterioration in connection with a care episode is common. The aim of this study was, in frail elderly patients with a severe comorbidity burden, to analyze 1) the association between physical fitness measurements and 1-year mortality and 2) the association between preserved physical fitness during the first three months after discharge from emergency hospital care and 1-year prognosis. Methods: Frail elderly patients (≥75 years) in need of inpatient emergency medical care were included. Aerobic capacity (six-minute walk test, 6MWT) and muscle strength (handgrip strength test, HS) were assessed during the hospital stay and at a three-month follow-up. The results were analyzed using multivariate Cox regression; 1) 0–12-month analysis and 2) 0–3-month change in physical fitness in relation to 1-year mortality. The analyses were adjusted for age, gender, comorbidity and frailty. Results: This study comprised 408 frail elderly hospitalized patients of whom 390 were evaluable (mean age 85.7 years, Charlson’s index mean 6.8). The three-month mortality was 11.5% and the 1-year mortality was 37.9%. After adjustments, the Cox-regression analysis showed that both 6MWT and HS were associated with 1-year mortality, HR6MWT 3.31 (95% CI 1.89–5.78, p |
