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Predictors of Post-COVID-19 Functional Status Scale in Hospitalized Patients Recovering From SARS-CoV-2 Infection
Tamires Daros Dos Santos1, Juliana Alves Souza, Dannuey Machado Cardoso
1From the Programa de Pós-Graduação em Distúrbios da Comunicação Humana, Universidade Federal de Santa Maria (UFSM)-Santa Maria, Brazil (TDdS); Programa de Pós-Graduação em Distúrbios da Comunicação Humana, Universidade Federal de Santa Maria (UFSM)/Hospital Universitário de Santa Maria (HUSM)-Santa Maria, Brazil (JAS); Centro de Ensino Superior Dom Alberto-Santa Cruz do Sul, Brazil (DMC); Programa de Pós-Graduação em Distúrbios da Comunicação Humana, Hospital Universitário de Santa Maria (HUSM)-Santa Maria, Brazil (VBB); Departamento de Fisioterapia e Reabilitação, Programa de Pós-Graduação em Distúrbios da Comunicação Humana, Universidade Federal de Santa Maria (UFSM)-Santa Maria, Brazil (ASP); and Departamento de Fisioterapia e Reabilitação, Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria (UFSM)-Santa Maria, Brazil (IMdA).
Objective:
The study aimed to investigate whether peripheral and inspiratory muscle strength and architecture, functional capacity, functional mobility, fatigue, and health-related quality of life are predictors of the Post-COVID-19 Functional Status Scale score in patients with post-COVID-19 syndrome who were hospitalized.
Design:
A cross-sectional study included 69 patients (53.3 ± 13.2 yrs, 36 men) with post-COVID-19 syndrome. The following outcomes were assessed: peripheral (dynamometry) and inspiratory (manovacuometry) muscle strength, muscle architecture (ultrasound), functional capacity (six-minute walk test), functional mobility (Timed Up and Go), fatigue (Functional Assessment of Chronic Illness Therapy), health-related quality of life (36-item Short-Form Health Survey), and functional status (Post-COVID-19 Functional Status scale).
Results:
Functional mobility (β = 0.573, P < 0.001), vastus intermedius echogenicity (β = -0.491, P = 0.001), length of stay (β = 0.349, P = 0.007), and female sex (β = 0.415, P = 0.003) influenced the Post-COVID-19 Functional Status Scale.
Conclusions:
Functional mobility, muscle quality of the vastus intermedius, length of stay, and female sex influence the Post-COVID-19 Functional Status Scale score in this population. It is noteworthy that functional mobility is an independent predictor of Post-COVID-19 Functional Status Scale.
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