- For type 2 diabetic patients: T2D diagnosis confirmed by either fasting plasma glucose ≥126 mg/dL on two separate occasions, or fasting plasma glucose ≥126 mg/dL and plasma glucose ≥140 mg/dL 2 h after OGTT, or treatment with anti-diabetic medication in accordance with good clinical practice with and well-documented information on diagnosis, history, treatment(s) and HbA1c data.