Impact of Rheumatoid Arthritis on the Course of Type 2 Diabetes During a Longitudinal Follow-up of 5 Years

Inclusion Criteria: Patients * Adults (\>18 years) * Rheumatoid arthritis fulfilling American College of Rheumatology (ACR )1987 or European League Against Rheumatism (ACR/EULAR) 2010 classification criteria * Type 2 diabetes (HbA1c ≥6.5% OR fasting glycemia≥7 mmol/l OR glycemia 120 min after 75 mg glucose ingestion ≥ 11.1 mmol/l OR symptoms of hyperglycemia with glycemia ≥11.1 mmol/l) * Affiliated to social security system Controls * Adults (\>18 years) matched for age, sex and BMI with patients with rheumatoid arthritis * Osteoarthritis (knee, hip, spine and hand) * Type 2 diabetes with disease duration matched with patients with rheumatoid arthritis * Affiliated to social security system Exclusion Criteria: * Patient not able to understand study implication and rules * Patient opposed to participate to the study * Transient diabetes * Gestational diabetes * Secondary diabetes