These include comorbidities like diabetes, hypertension, and CKD; hematological variations like leukocytosis, neutrophilia, increased NLR, and lymphopenia; coagulation parameters like D-dimer levels at admission and PT INR; inflammatory markers like CRP, peak ferritin levels, and LDH; and also BUN, low serum albumin, and A/G ratio. The gene discussed is ALB; the disease is lymphopenia.