“…[8][9][10][11][12] Many medical risk factors of ISSNHL have been proposed in the literature, for example, hypertension (HTN), diabetes mellitus (DM), hypercholesterolemia (Hch), cerebrovascular disease (CVD), coronary artery disease (CAD), chronic kidney disease (CKD), and anemia. [13][14][15][16] However, reports on the effect of these major comorbidities on the prognosis of ISSNHL contain several discrepancies. For example, comorbid microvascular pathology with hyperglycemia and Hch was reported to be an indicator of a better hearing prognosis.…”