“…Moreover, walking tests, such as 6-min walk test or Timed Up and Go, might be impractical because some postacute COVID-19 patients showed to not be able to perform them, due to their severe impairment. [5][6][7]9 Furthermore, these tests require space to perform and may require management of several drips, drains, and oxygen delivery systems, while the patient is walking and turning that render the test difficult to carry out. 9 Nevertheless, CPAx 10 More in detail, CPAx is a bedside assessment tool firstly reported in 2013 10 to measure physical morbidity in critical care population, consisting of 10 items (respiratory function, cough, moving within the bed, supine to sitting on the edge of bed, dynamic sitting, standing balance, sit to stand, transferring from bed to chair, stepping, and grip strength) rated on a 6-point scale from complete dependency (level = 0) to independency (level = 5), as depicted by Figure 1.…”