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Mean fasting ghrelin (a), ghrelin AUC (b), and leptin (c) T0, T1, and T2 after GBP or GB. Data are present as mean ± S.E.M. Statistical signficance is indicated with an asterisk (*) between groups only AUC, area under the curve; T0, baseline; T1, at equivalent weight loss (12 kg) between surgical groups; T2, at one year post-surgery; GBP, gastric bypass; GB, gastric banding.
