INS and type 2 diabetes mellitus: A range of T2DM remission rates are found in studies of bariatric surgery,6,7,12,37,38,39,40,41 reflecting varying follow-up time, remission definitions, and population characteristics (eg, insulin use, HbA1c level).38 The cumulative remission rates over 80% for SG or RYGB in PBS are consistent with or somewhat higher than estimates from systematic reviews or meta-analyses (54%-78%)4,37,40 and similar to findings (72%; all procedures) from 3 US health systems.6 Literature on T2DM relapse is more limited.