Subject(s)

Coronavirus Infections/physiopathology , Pneumonia, Viral/physiopathology , Adrenal Cortex Hormones/therapeutic use , Adult , Aged , Anemia/blood , Anemia/physiopathology , Anti-Bacterial Agents/therapeutic use , Antiviral Agents/therapeutic use , Betacoronavirus , COVID-19 , Cardiovascular Diseases/epidemiology , China/epidemiology , Comorbidity , Coronavirus Infections/blood , Coronavirus Infections/epidemiology , Coronavirus Infections/therapy , Cough/physiopathology , Diabetes Mellitus/epidemiology , Diarrhea/physiopathology , Drug Combinations , Fatigue/physiopathology , Female , Fever/physiopathology , Fibrin Fibrinogen Degradation Products , Hospitalization/statistics & numerical data , Humans , Hypertension/epidemiology , Leukocyte Count , Leukocytosis/blood , Leukocytosis/physiopathology , Leukopenia/blood , Leukopenia/physiopathology , Lopinavir/therapeutic use , Lung/diagnostic imaging , Lymphocyte Count , Lymphopenia/blood , Lymphopenia/physiopathology , Male , Middle Aged , Myalgia/physiopathology , Neoplasms/epidemiology , Neutrophils , Noninvasive Ventilation , Oxygen Inhalation Therapy , Pandemics , Pneumonia, Viral/blood , Pneumonia, Viral/epidemiology , Pneumonia, Viral/therapy , Procalcitonin/blood , Respiration, Artificial , Retrospective Studies