Before matching, the patients in the IVIG group were older, had a higher prevalence of hypertension, dyslipidemia, and hemodialysis, had lower PaO2/FiO2 ratio, lesser vasopressor use, lower SOFA score, raised alanine transaminase (ALT), more use of dexamethasone and lesser use of methylprednisolone, hydrocortisone, tocilizumab, lopinavir-ritonavir, and oseltamivir. The gene discussed is GPT; the disease is metabolic syndrome.