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Reliability, Validity, and Feasibility of the Frail-VIG Index

Author

Listed:
  • Anna Torné

    (Central Catalonia Chronicity Research Group (C3RG), Centre for Health and Social Care Research (CESS), Faculty of Medicine, University of Vic-Central University of Catalonia (UVIC-UCC), 08500 Barcelona, Spain
    Geriatric and Palliative Care Department, Hospital Universitari de la Santa Creu and Hospital Universitari de Vic, 08500 Barcelona, Spain)

  • Emma Puigoriol

    (Clinical Epidemiology Unit, Consorci Hospitalari de Vic, 08500 Barcelona, Spain
    Tissue Repair and Regeneration Laboratory (TR2Lab), Faculty of Sciences and Technology, Faculty of Medicine, University of Vic-Central University of Catalonia, 08500 Barcelona, Spain)

  • Edurne Zabaleta-del-Olmo

    (Fundació Institut Universitari per a la Recerca a L’atenció Primària de Salut Jordi Gol I Gurina (IDIAPJGol), 08500 Barcelona, Spain
    Gerència Territorial de Barcelona, Institut Català de la Salut, 08500 Barcelona, Spain
    Nursing Department, Faculty of Nursing, Universitat de Girona, 17005 Girona, Spain)

  • Juan-José Zamora-Sánchez

    (Gerència Territorial de Barcelona, Institut Català de la Salut, 08500 Barcelona, Spain)

  • Sebastià Santaeugènia

    (Central Catalonia Chronicity Research Group (C3RG), Centre for Health and Social Care Research (CESS), Faculty of Medicine, University of Vic-Central University of Catalonia (UVIC-UCC), 08500 Barcelona, Spain
    Chronic Care Program, Ministry of Health, Generalitat de Catalunya, 08830 Catalonia, Spain)

  • Jordi Amblàs-Novellas

    (Central Catalonia Chronicity Research Group (C3RG), Centre for Health and Social Care Research (CESS), Faculty of Medicine, University of Vic-Central University of Catalonia (UVIC-UCC), 08500 Barcelona, Spain
    Geriatric and Palliative Care Department, Hospital Universitari de la Santa Creu and Hospital Universitari de Vic, 08500 Barcelona, Spain
    Chronic Care Program, Ministry of Health, Generalitat de Catalunya, 08830 Catalonia, Spain)

Abstract

The study aimed to assess the reliability of the scores, evidence of validity, and feasibility of the Frail-VIG index. A validation study mixing hospitalized and community-dwelling older people was designed. Intraclass correlation coefficient (ICC) was used to assess the inter-rater agreement and the reliability. The construct validity of the Frail-VIG index with respect to the Frailty Phenotype (FP) was evaluated by calculating the area under the receiver operating characteristic curve (AUC-ROC). Convergent validity with the Clinical Frailty Scale (CFS) was assessed using Pearson’s correlation coefficients. The feasibility was evaluated by calculating the average time required to administer the Frail-VIG index and the percentage of unanswered responses. A sample of 527 older people (mean age of 81.61, 56.2% female) was included. The inter-rater agreement and test–retest reliability were very strong: 0.941 (95% CI, 0.890 to 0.969) and 0.976 (95% CI, 0.958 to 0.986), respectively. Results indicated adequate convergent validity of the Frail-VIG index with respect to the FP, AUC-ROC 0.704 (95% CI, 0.622 to 0.786), and a moderate to strong positive correlation between the Frail-VIG index and CFS ( r = 0.635, 95% CI, 0.54 to 0.71). The Frail-VIG index administration required an average of 5.01 min, with only 0.34% of unanswered responses. The Frail-VIG index is a reliable, feasible, and valid instrument to assess the degree of frailty in hospitalized and community-dwelling older people.

Suggested Citation

  • Anna Torné & Emma Puigoriol & Edurne Zabaleta-del-Olmo & Juan-José Zamora-Sánchez & Sebastià Santaeugènia & Jordi Amblàs-Novellas, 2021. "Reliability, Validity, and Feasibility of the Frail-VIG Index," IJERPH, MDPI, vol. 18(10), pages 1-14, May.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:10:p:5187-:d:553955
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    References listed on IDEAS

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    1. S. Bunt & N. Steverink & J. Olthof & C. P. Schans & J. S. M. Hobbelen, 2017. "Social frailty in older adults: a scoping review," European Journal of Ageing, Springer, vol. 14(3), pages 323-334, September.
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