Table 4: Preoperative and postoperative comparison of weight loss and %EWL.

LRYGB
LSG
value

BMI (kg/m)
 Preoperative
 Postoperative
  6M
  12M
  18M
% EWL
 6M
 12M   
 18M

Body mass index (BMI), excess weight loss (%EWL), laparoscopic Roux-en-Y gastric bypass (LRYGB), and laparos copic sleeve gastrectomy (LSG).