INS and diabetes mellitus: Univariate analysis showed that FPG, HbA1c, and C-peptide AUC values were factors affecting T2D remission 4-6 years after surgery, while there was no significant difference in age, sex, duration, surgical procedures, BMI, lipid profiles, FCP, ΔC30, ΔC120, ΔC30/ΔG30, ΔC120/ΔG120, HOMA-β (CP, DM), HOMA-IR (CP), presurgery insulin use, and UmAlb (Table 4).