presented the data is valid. (4) Regarding use of percentage EWL as a measure of efficacy, this was not defined by our study but rather by expert consensus from the American Society of Metabolic and Bariatric Surgery and the American Society for Gastrointestinal Endoscopy. 5,6 We realize that at the present time research in this space is moving toward total weight loss as a more accepted measure of efficacy, and we endeavored to include total weight loss in our analysis as well. We also recognize that it is not methodologically sound to use the newer measure in a meta-analysis of older studies that used percentage EWL as their endpoints. DISCLOSURE B. Abu Dayyeh is a consultant for Apollo Endosurgery and receives research support from GI Dynamics. S. Edmundowicz is on the advisory board of GI Dynamics. C. Thompson is a consultant for Apollo Endosurgery. All other authors disclosed no financial relationships relevant to this publication.