3.9. Analysis.

Comparison 3 Laparoscopic gastric bypass versus laparoscopic sleeve gastrectomy, Outcome 9 Excess weight loss [%].

Excess weight loss [%]
Study	Outcome	RYGB	LSG	P value
Karamanakos 2008	% EWL at 12 months	65.6	72.9	P = 0.05
Karamanakos 2008	% EWL at 2 years	65.3	73.2	P = 0.05
Karamanakos 2008	% EWL at 3 years	62.1	68.5	P = 0.13
Lee 2011	% EWL at 12 months, mean (SD)	94.4 (33.1)	76.3 (38.9)	P = 0.06
Lee 2011
Lee 2011
Paluszkiewicz 2012	% EWL at 12 months	64.2	37.6	ns
Paluszkiewicz 2012
Paluszkiewicz 2012
Schauer 2012	% EWL, median (interquartile range)	88 (72, 101)	81 (65, 97)	P = 0.32
Schauer 2012
Schauer 2012
Vix 2013	% EWL at 12 months, mean	80.38	82.97	P ≥ 0.05
Vix 2013
Vix 2013