Factors Associated With Achalasia Treatment Outcomes: Systematic Review and Meta-Analysis

Background & AimsIdentification of factors associated with achalasia treatment outcome might help physicians select therapies based on patient characteristics. We performed a systematic review and meta-analysis to identify factors associated with treatment response.MethodsWe searched MEDLINE, EMBASE, and the Cochrane Library through February 21, 2019, for randomized controlled trials and cohort, case–control, and cross-sectional studies that...