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Real-life intrinsic capacity screening data from the ICOPE-Care program

Abstract

The Integrated Care for Older People (ICOPE) program is a healthcare pathway that uses a screening test for intrinsic capacity (IC) as its entry point. However, real-life data informing on how IC domains cluster and change over time, as well as their clinical utility, are lacking. Using primary healthcare screening data from more than 20,000 French adults 60 years of age or older, this study identified four clusters of IC impairment: ‘Low impairment’ (most prevalent), ‘Cognition+Locomotion+Hearing+Vision’, ‘All IC impaired’ and ‘Psychology+Vitality+Vision’. Compared to individuals with ‘Low impairment’, those in the other clusters had higher likelihood of having frailty and limitations in both activities of daily living (ADL) and instrumental activities of daily living (IADL), with the strongest associations being observed for ‘All IC impaired’. This study found that ICOPE screening might be a useful tool for patient risk stratification in clinical practice, with a higher number of IC domains impaired at screening indicating a higher probability of functional decline.

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Fig. 1: Age-adjusted and sex-adjusted conditional probabilities for the transition of IC clusters between baseline and follow-up.

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Data availability

The data reported in this paper (text, tables, figures and the supplementary material) will be shared in de-identified form owing to privacy protections. Requests for de-identified data and a data dictionary will be evaluated by the ICOPE-Care data-sharing committee, which can be contacted at the following address: tavassoli.n@chu-toulouse.fr. Data will be made available for investigators upon request for a pre-identified scientific purpose developed in a research proposal with sound methodology, subject to the approval of the appropriate ICOPE-Care committee; a data use agreement must also be signed. Given the nature of the ICOPE-Care program (ongoing, real-life data from healthcare services), the authors are unable to make the dataset publicly accessible at this time. In addition, according to the ICOPE-Care policy, all analyses using ICOPE-Care data (including the present study) must be evaluated and approved by the committee after submission of a comprehensive analysis proposal. Therefore, for researchers interested in accessing the data used for the current study, the same evaluation procedure must be followed.

Code availability

The codes supporting the findings of this study are available upon reasonable request from the corresponding author. All analyses were performed using programming languages in the Stata software package.

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Acknowledgements

We thank all the healthcare professionals who participated in the ICOPE-Care program; the members of the Gerontopole of Toulouse, especially those of the ‘Regional Team for Ageing and Prevention of Dependency’ (I. Carrié, J. de Kerimel, C. Lafont, C. Mathieu, F. Paris, D. Pennetier, B. Rieunier and A. Robert-Millocco) and the ‘ICOPE remote monitoring platform’ (V. Bezombes, P. Baby, L. Bouchon, M. C. Cazes, F. Da Costa, N. Moussa, M. Poly, C. Seguela, L.-N. Sephan and C. Takeda); all the members of the Occitanie Territorial Teams of Ageing and Prevention of Dependency; and the project leaders of National Experimentation—Article 51 (Mutualité Française PACA, DAC Sante landes, Inter-CPTS Haut-Rhin, CPTS Haute-Corrèze, Perigueux University Hospital, Filieris Sud, Civic Hospitals of Lyon, CPTS Grand Sud Réunion, InterURPS Pay de la Loire, CPTS Cerebellum, DAC 17, DAC 46, Clinique des Augustines, Brest University Hospital and Mutualité Française Bretagne).

The ICOPE-Care program was supported by grants from the Occitania Regional Health Agency (Region Occitanie and Pyrénées-Méditerranée; reference no. 1901175), the European Regional Development Fund (project no. MP0022856) and the Interreg Program V-A Spain-France-Andorra (European Union) in the context of the APTITUDE project (reference no. EFA232/16). This work was performed in the context of IHU HealthAge, which has benefited from funding from the Agence Nationale de la Recherche under the France 2030 program (reference no. ANR-23-IAHU-0011). The funders had no role in study design, data collection and analysis, decision to publish or preparation of the paper.

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Contributions

P.d.S.B., E.G.-B., M.E.S.M. and B.V. contributed to the study design and supervised the study. N.T., C.B. and E.G.-B. contributed to data collection and/or verification. E.G.-B. analyzed the data. P.d.S.B., E.G.-B., H.A.B.-F., V.P.O., R.G.B.M., C.B., N.T., J.R.B., Y.R., M.E.S.M. and B.V. contributed to data interpretation. P.d.S.B. wrote the first version of the paper. All authors revised the paper for important intellectual content. All authors had full access to all the data in the study and had final responsibility for the decision to submit for publication.

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Correspondence to Philipe de Souto Barreto.

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Competing interests

P.d.S.B. received research grants and consultancy fees from Pfizer. B.V. is the founder president of IHU HealthAge at Toulouse University Hospital and is an investigator in clinical trials sponsored by several industry partners (IHU, CRC and Inspire geroscience platforms). The other authors declare no competing interests.

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Extended data

Extended Data Fig. 1 Flow chart of study population.

Sample size varied according to the analysis undertaken (cross-sectional or longitudinal).

Extended Data Fig. 2 Goodness-of-fit statistics for the latent class analysis by number of latent statuses using the baseline ICOPE Step1 (cross-sectional) data from healthcare professional assessments.

Results of the goodness-of-fit statistics identify the four clusters as the best fit for the data.

Supplementary information

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de Souto Barreto, P., Gonzalez-Bautista, E., Bischoff-Ferrari, H.A. et al. Real-life intrinsic capacity screening data from the ICOPE-Care program. Nat Aging 4, 1279–1289 (2024). https://doi.org/10.1038/s43587-024-00684-2

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