Comparison of two different frailty scales in the longitudinal Swedish Adoption/Twin Study of Aging (SATSA)

Aims: Although up to 25% of older adults are frail, assessing frailty can be difficult, especially in registry data. This study evaluated the utility of a code-based frailty score in registry data by comparing it to a gold-standard frailty score to understand how frailty can be quantified in populat...

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Bibliographic Details
Published in:Scandinavian journal of public health 2023-06, Vol.51 (4), p.587-594
Main Authors: Wennberg, Alexandra M., Yin, Weiyao, Fang, Fang, Pedersen, Nancy L., Hägg, Sara, Jylhävä, Juulia, Modig, Karin
Format: Article
Language:English
Subjects:
Aged
Aging
Cohort Studies
Frail Elderly
Frailty - diagnosis
Geriatric Assessment
Humans
Original
Sweden
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Summary:Aims: Although up to 25% of older adults are frail, assessing frailty can be difficult, especially in registry data. This study evaluated the utility of a code-based frailty score in registry data by comparing it to a gold-standard frailty score to understand how frailty can be quantified in population data and perhaps better addressed in healthcare. Methods: We compared the Hospital Frailty Risk Score (HFRS), a frailty measure based on 109 ICD codes, to a modified version of the Frailty Index (FI) Frailty Index (FI), a self-report frailty measure, and their associations with all-cause mortality both cross-sectionally and longitudinally (follow-up = 36 years) in a Swedish cohort study (n = 1368). Results: The FI and HFRS were weakly correlated (rho = 0.11, p 
ISSN:1403-4948
1651-1905
DOI:10.1177/14034948211059958