Illustration from Scientific Research

Each digital biomarker of ageing is categorised into a physiological system. indicates that no digital biomarker of ageing fulfils the inclusion criteria for that physiological system. Bolded lettering indicates that the digital biomarker was used as an outcome measure in clinical trials. Costs for usage in large-scale settings are indicated inside an orange box by $, potentially low; $$, higher costs; or ?, more research required. Figure created with BioRender.com.

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