Abstract
Background This investigation aims to assess the influence of a mobile application and smart devices on cardiopulmonary exercise testing (CPET) over a one-year period in individuals who have high risk for cardiovascular disease. Methods This is a post-hoc subgroup analysis of Lifestyle Intervention Using Mobile Technology in Patients with High Cardiovascular Risk: A Pragmatic Randomised Clinical Trial (LIGHT). In the intervention plus standard care standard standard care arms, 138 and 103 patients were recruited, respectively. The 1-year VO2 measurements were adjusted to the baseline VO2 measurements as the study’s endpoint. VO2 measurements were taken for each subject during the randomisation and final CPET examinations. Results The intervention plus standard care improved VO2 measurements by 1.1 (adjusted treatment effect 1.1, 95% confidence interval (CI): 0.8, 1.4, p < 0.001) compared to standard care following 1-year follow-up. Conclusion At a 1-year follow-up, the smart device and mobile application technologies increased VO2 measurements in individuals with high cardiovascular risk compared to conventional treatment alone.
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