More than a third of patients who had Roux-en-Y gastric bypass (37.5%) achieved an HbA1c level of 6.0% after 3 years, as did 24.5% of the patients who underwent sleeve gastrectomy. That was significantly better than the 5% of medically managed patients who reached goal (P<0.001 for bypass and P=0.01 for the sleeve).
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