Table 4.

Meta-analysis of the impact of weight-loss surgical procedure on weight loss and comorbidity improvement⁵⁵

Characteristic	Control	RYGB	LGS	LAGB
Percent body weight lost year 1a,b	10%	32%	25%	17%
Percent body weight lost at year 5c	—	32%	28%	—
Diabetes improvement,c %	18%	95%	—	74%
Hypertension improvement,d %	49%	81%	54%c	80%
Dyslipidemia improvement,c %	5%	63%	83%	61%

Abbreviations: RYGB = Roux-en-Y Gastric Bypass, LGS = laparoscopic sleeve gastrectomy, LABG = laparoscopic gastric bypass

^aNumbers adjusted from excess body weight to reflect percent change in total body weight.

^bObservational study data

^cRCT, active lifestyle control

^dFewer trials of LGS compared to LAGB were included, and other sources report greater improvement in hypertension following LGS compared to LAGB⁵⁵