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BMC Geriatrics
Published in: BMC Geriatrics 1/2024

Open Access 01-12-2024 | Research

A simple scoring algorithm based on intrinsic capacity for functional ability in community-dwelling older adults in Taiwan

Authors: Ya-Hui Chang, Chung-Ying Lin, Yu-Tsung Chou, Hung-Yu Chen, Hui-Chen Su, Yi-Lin Wu, Yi-Ching Yang, Wen-Hsuan Hou

Published in: BMC Geriatrics | Issue 1/2024

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Abstract

Background

Intrinsic capacity (IC) is a comprehensive indicator of the overall well-being of older adults, and assessing of IC can help identify early stage of disability and tailor intervention to individual needs. However, there is a lack of effective and simple IC assessment tools. This study aimed to establish predictive scoring algorithms of IC to identify older adults at high risk of impaired functional ability.

Methods

We conducted a cross-sectional study in Southern Taiwan, measuring IC using 7 subitems: cognition, locomotion, vitality, vision, hearing, psychological well-being, and medication usage were measured. Functional ability outcomes included frailty, basic activities of daily living, and instrumental activities of daily living (IADL). The capability of 7 domains of IC in predicting functional ability was assessed by multivariable logistic regression. The prediction of capability of scoring algorithms was indicated by receiver operating characteristic (AUC) curves and measures of sensitivity and specificity.

Results

A total of 1,152 older adults were recruited and analyzed. Locomotion emerged as a significant predictor of IADL disability and worsening frailty. The IC-based weighted scoring algorism for predicting IADL demonstrated satisfactory capability (AUC: 0.80), as did the algorithm for predicting worsening frailty (AUC: 0.90). The optimal cutoff points for predicting IADL disability and frailty worse were estimated respectively at 13 and 16, with sensitivity/specificity values of 0.74/0.75 for the IADL prediction algorithm and 0.92/0.77 for the frailty prediction algorithm.

Conclusion

Our 7-domain IC screening tool proves to be sensitive and practical for early identification of functional disability and frailty among community-dwelling older adults in Taiwan.
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Metadata
Title
A simple scoring algorithm based on intrinsic capacity for functional ability in community-dwelling older adults in Taiwan
Authors
Ya-Hui Chang
Chung-Ying Lin
Yu-Tsung Chou
Hung-Yu Chen
Hui-Chen Su
Yi-Lin Wu
Yi-Ching Yang
Wen-Hsuan Hou
Publication date
01-12-2024
Publisher
BioMed Central
Published in
BMC Geriatrics / Issue 1/2024
Electronic ISSN: 1471-2318
DOI
https://doi.org/10.1186/s12877-024-04969-4

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