Variations in respiratory and functional symptoms at four months after hospitalisation due to COVID-19: a cross-sectional study

Much remains unknown about complex respiratory symptoms after COVID-19. Here we aimed to describe and analyse patients’ various respiratory symptoms 4 months after discharge from hospitalisation for COVID-19, focusing on sex, previous pulmonary disease, and prolonged mechanical ventilation. This cross-sectional study involved five hospitals and included 52 patients with self-assessed respiratory dysfunction at 4 months after discharge from hospitalisation for severe COVID-19. Their average age was 63 years, 38