What are the clinical phenotypes of ARDS in COVID-19 patients?
In COVID-19 patients, ARDS is more common in the elderly, those with multiple comorbidities, and those with continuing or gradually progressing neutrophilia and lymphopenia, and a higher level of C-reactive protein, lactate dehydrogenase, D-dimer and procalcitonin.49,74 There are at least 2 clinical phenotypes of ARDS: 1) near normal pulmonary compliance with isolated viral pneumonia; 2) decreased pulmonary compliance.81,82