rehabilitation(4) COVID-19(4) patients with COVID-19(3) body mass index(3) Admission(3) Inpatient(3) Frame(3) impairment(3) were used(3) hospital(3) improvement(3) age(3) criteria(3) Observational cohort study(3) t-test(3) greater(3) with COVID-19(3) outcome(3) Patient(3) patients(3) self-care(3) complex(3) initial search(3) stratified(3) Gender(3) outcomes(3) BMI(3) Inpatients(3) Non-COVID-19(3) inclusion criteria(3)