Patients with immunological and infectious diseases were found to have more comorbidities (median: 3; P < 0.001), while the lowest albumin (median: 2.31 g/dL, range: 1.5–3.6; P < 0.001) and hemoglobin levels (median: 7.90 g/dL, range: 6–11.1; P < 0.001) were recorded in patients admitted with immunological diseases. This evidence concerns the gene ALB and infectious disease.