Changes in plasma peripheral hormones before and after LSG surgery and correlations between peripheral hormones and behavioral measurements. A-B. In the BS group, only fasting plasma total ghrelin (neither insulin nor leptin) levels were negatively correlated with BMI and positively correlated with craving for HC food. C-F. Total ghrelin, insulin, leptin levels and leptin/BMI ratio were lower than before the surgery.
Abbreviation: LSG; laparoscopic sleeve gastrectomy; BMI, body mass index; Pre-BS, obese patients who received MRI scan before surgery; Post-BS, obese patients who received MRI scan at one month after surgery.