Construct Validity and Test-Retest Reliability of a Free Mobile Application to Evaluate Aerobic Capacity and Endurance in Post-COVID-19 Syndrome Patients-A Pilot Study.
Roberto Cano-de la CuerdaCarmen Jimenez-AntonaAlberto Melián-OrtizAlberto Molero-SánchezÁngel Gil-de MiguelÁngel Lizcano-ÁlvarezValentín Hernández-BarreraDavid Varillas-DelgadoSofía Laguarta-ValPublished in: Journal of clinical medicine (2022)
operating system showed an excellent correlation with conventional 6MWT, indicating its construct validity in post-COVID-19 syndrome patients. Further, values for the test-retest reliability for the free mobile application were close to statistical significance with a reliability considered poor in an indoor setting.