Table 1 Post-bariatric surgery DM2 remission criteria approved by Spanish scientific associations [11, 12]

Complete remission

HbA1c < 6.5%, FPG < 100 mg/dl [5.6 mmol/l] and no need for diabetic medication for at least 1 year of follow-up

Prolonged remission

Complete remission for more than 5 years.

Partial remission

HbA1c < 6.5%, FPG: 100-125 mg/dl [5.6-6.9 mmol/l] and no need for diabetic medication for at least 1 year of follow-up

Improvement

HbA1c < 7% with diabetic medication.

No remission

HbA1c ≥ 6.5%, FPG ≥ 126 [6.9 mm/L] and/or need for diabetic medication.