Table 5.

Summary of systematic review of weight loss and reoperation rates

Procedure	No. of reports	Weighted mean % EWL	Mean % EWL range	Reoperation rate range
RYGB	16	55.4	27–69	8–64%
OAGB	2	80.9	70–84	2–14%
LAGB	17	45.9	27–66	8–78%
BPD	4	71.5	64–73	NR
DS	7	75.2	61–94	3–37%
Sleeve	2	57.0	53–62	32–36%
Gastroplasty	7	50.9	− 10–62	10–40%

The single reports of fixed band and plication from Table 6 are not included

RYGB Roux-en-Y gastric bypass, OAGB one anastomosis gastric bypass, LAGB laparoscopic adjustable gastric band, BPD biliopancreatic diversion, DS duodenal switch,, , NR = not recorded