Digital technologies and advanced analytics have drastically improved our ability to capture and interpret health relevant data from patients. However, to date, limited data and results have been published detailing real-world patient compliance, demonstrating accuracy in target indications or examining what novel insights and clinical value can be derived. Here we present novel, digital mobility data from two studies: an independent, non-interventional validation study with elderly, naturally slow walking subjects, and a global, multi-site phase IIb clinical trial involving patients with age-related muscle loss and slow walking speed (sarcopenia). Based on these data, we validate the accuracy of a novel algorithm for capturing in-clinic and real-world gait speed in frail, slow-walking adults. We demonstrate the feasibility of continuous monitoring with a wearable inertial sensor in elderly adults in real-world settings, and propose minimum thresholds for compliance required for robust capture of gait behaviors in this population. We also show how simple, inferred contextual information, describing the length of a given walking bout, can explain some of the variation in real-world gait speed, and use this information to demonstrate for the first time a relationship between in-clinic performance and real-world gait speed behavior. This work lays a foundation for exploration of the clinical relevance and value of such measures and is a first step in building a more complete chain of evidence between standardized physical performance assessment, real-world behavior, and subjective perceptions of mobility, independence and health. This dataset contains data collected during the interventional clinical trial: derived data from raw accelerometry data, and summary performance data. The full dataset, including raw accelerometry data, is available here: https://mueller-et-al-2019.s3.amazonaws.com/index.html ; see "datasets-clinical.pdf" for description of files and data


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    Titel :

    Continuous Digital Monitoring of Walking Speed in Frail Elderly Patients: Noninterventional Validation Study and Longitudinal Clinical Trial (Data for interventional clinical trial)


    Beteiligte:
    Clay, Ieuan (Autor:in) / Mueller, Arne (Autor:in) / Rooks, Daniel (Autor:in) / Brachat, Sophie (Autor:in) / Roubenoff, Ronenn (Autor:in) / Hoefling, Holger (Autor:in) / Praestgaard, Jens (Autor:in)

    Erscheinungsdatum :

    2019-10-03



    Medientyp :

    Forschungsdaten


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    DDC:    629





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