A Prior History of Substance Abuse in Veterans Undergoing Bariatric Surgery

Table 2

Weight loss comparison between patients with prior substance abuse and those without prior substance abuse in three different bariatric operations.

(a)  

LGB	SA	NA	𝑃
%EWL at 6 months	25.4 ± 20.7%	26.4 ± 12.5%	0.88
%EWL at 12 months	33.4 ± 25.2%	34.0 ± 27.2	0.96

(b)  

LSG	SA	NA	𝑃
%EWL at 6 months	55.0 ± 25.7%	46.7 ± 17.5%	0.18
%EWL at 12 months	59.6 ± 25.2	57.3 ± 21.8%	0.75

(c)  

RYGB	SA	NA	𝑃
%EWL at 6 months	62.5 ± 19.4%	60.6 ± 23.6%	0.72
%EWL at 12 months	75.8 ± 23.5%	69.5 ± 19.9%	0.15

SA: cohort with prior history of substance abuse.
NA: cohort with no prior history of substance abuse.
LGB: laparoscopic gastric banding.
LSG: laparoscopic sleeve gastrectomy.
RYGB: Roux-en-Y gastric bypass.
%EWL: percent excess weight loss.