Wearable devices can predict the outcome of standardized 6-minute walk tests in heart disease

Charlotte Schubert, Gareth Archer, Jo M Zelis, Sarah Nordmeyer, Kilian Runte, Anja Hennemuth, Felix Berger, Volkmar Falk, Pim A L Tonino, Rod Hose, Herman Ter Horst, Titus Kuehne, Marcus Kelm (Corresponding author)

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5 Citations (Scopus)


Wrist-worn devices with heart rate monitoring have become increasingly popular. Although current guidelines advise to consider clinical symptoms and exercise tolerance during decision-making in heart disease, it remains unknown to which extent wearables can help to determine such functional capacity measures. In clinical settings, the 6-minute walk test has become a standardized diagnostic and prognostic marker. We aimed to explore, whether 6-minute walk distances can be predicted by wrist-worn devices in patients with different stages of mitral and aortic valve disease. A total of n = 107 sensor datasets with 1,019,748 min of recordings were analysed. Based on heart rate recordings and literature information, activity levels were determined and compared to results from a 6-minute walk test. The percentage of time spent in moderate activity was a predictor for the achievement of gender, age and body mass index-specific 6-minute walk distances (p < 0.001; R2 = 0.48). The uncertainty of these predictions is demonstrated.

Original languageEnglish
Article number92
Number of pages9
JournalNPJ Digital Medicine
Publication statusPublished - 9 Jul 2020

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© The Author(s) 2020.


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