Clinical Features of COVID-19 Patients

The data were collected during the first and the second wave of epidemic in COVID-19 patients with acute respiratory distress syndrome. At the moment of hospitalization, at the moment of intensive care unit admission and during the in intensive care unit staying, the following data were collected: peripheral lymphocyte subsets were measured by multiple-color flow cytometry, chest computed tomography and ultrasonography scans (lung ultrasound score, diaphragmatic thickness and motion), arterial blood gas analysis parameters (pH, partial pressure of carbon dioxide, partial pressure of oxygen, concentration of hydrogen carbonate, base excess, and arterial oxygen saturation ), and pain assessed by using numeric rating scale. Macroscopic and microscopic hypopharynx and larynx damages were also evaluated by video-laryngoscopy and light miscoscopy.