Patient-centered assessment of rheumatoid arthritis using a smartwatch and customized mobile app in a clinical setting

  Study design This was a prospective study among participants with moderate to severe RA and 28 controls, matched for age (± 3 years), gender, and race. A sample size of 60 was chosen to facilitate one-on-one follow-ups. RA and control participants were recruited from the rheumatology clinic and general medical clinic of the Reliant…