ACEi: Angiotensin Converting Enzyme inhibitor, ARB: Angiotensin Receptor Blocker, CLL: Chronic Lymphocytic Leukemia, CML: Chronic Myelocytic Leukemia, ENT: Ear Nose Throat, HIV: Human Immunodeficiency Virus, MDS: Myelodysplastic Syndrome, OAD: Oral Antidiabetic, TNF: Tumor Necrosis Factor

Table 2: CG cut-off values and IgG levels