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Validation of the Post-COVID-19 functional status scale into Mexican-Spanish

Luis Antonio Moreno-Torres, Carmelita Elizabeth Ventura-Alfaro
Fomento a la Salud, Instituto Mexicano del Seguro Social, Guadalajara, Mexico
DOI: 10.2340/20030711-1000070

Abstract

Aim: To translate and validate the Post-COVID-19 Functional Status Scale into Mexican-Spanish.
Materials and methods: A cross-sectional study was performed for transcultural validation of the Post-COVID-19 Functional Status Scale in people over 18 years of age, using the international guide-lines for validation published by Beaton and Guillemin. Diagnostic and clinimetric validity tests were applied to the scale. Statistical analysis was performed with the statistical program R.
Results: The scale was applied to 249 patients, obtaining a Cronbach's alpha of 0.84 for the structured interview, and 0.67 for the self-reported questionnaire. When comparing both tests, and considering the structured interview as the reference test, the self-reported questionnaire had a sensitivity of 86.2%, a specificity of 96.3%, and a negative predictive value of 95.8%.
Conclusion: A practical and valid scale was obtained, in concordance with that published in the original version, which can be used in daily clinical practice and rehabilitation. The scale can be used to rapidly and adequately identify post-COVID-19 patients with alterations in functionality who could benefit from rehabilitation therapy

Lay Abstract

After having COVID-19, many people live with limitations in their daily life. Doctors therefore need a tool to assess these limitations properly, and to be able to identify them at an early stage, in order to offer adequate rehabilitation.

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