Table 1.

Inclusion and exclusion criteria

Inclusion criteria

Subjects in this study must fulfill all of the following criteria:   1. Provide written informed consent for study participation   2. Female or male aged 20 years or over   3. Diagnosed with type 2 diabetes mellitus   4. Initiating a second oral or parenteral antidiabetic therapy added to oral antidiabetic monotherapy or switching from the monotherapy to another monotherapy with a different drug class

Exclusion criteria

Patients will not be eligible to participate if any of the following exclusion criteria are present:   1. Diagnosis of type 1 diabetes mellitus   2. Current pregnancy   3. Current treatment for any cancer   4. Current dialysis treatment or renal transplantation   5. Current treatment with any oral steroids   6. Participation in any randomized control trials   7. Presence of any condition/circumstance that, in the opinion of the investigator, could significantly limit the complete follow-up of the patient (e.g., tourist, non-native speaker who does not understand the local language where an interpreter is not available, psychiatric disturbances, alcohol or drug abuse).