CRP and chronic kidney disease: MP: methylprednisolone; DXM: dexamethasone; BMI: body mass index; HbA1C: hemoglobin A1C; CKD: chronic kidney disease; mRNA: messenger ribonucleic acid; DOA: Date of admission; DOI: Date of illness; WHO: world health organization; PaO2: arterial oxygen tension; FiO2: inspiratory oxygen fraction; SOFA score: Sequential organ failure assessment score; CRP: C-reactive protein; ALC: absolute lymphocyte count; LDH: lactate dehydrogenase