Currently similar diagnostic criteria for T2DM exist including: clinical symptoms of hyperglycemia and glucose of ≥ 200 mg / dL or asymptomatic individuals with at least two abnormal biochemical tests: fasting glucose ≥ 126 mg / dL, 2-hour glucose ≥ 200 mg / dL after 75-g oral glucose ingestion, or hemoglobin A1c (HbA1c) ≥ 6.5% [13].