KeywordsRecurrence, shoulder instability, first time, anterior shoulder dislocation, risk factors Word count: 4024Contributorship statement:Margie Olds designed the study, collected and extracted and appraised data, designed the statistical analysis, analysed the data and drafted and revised the paper. Richard Ellis monitored data extraction, assisted with methods development, helped draft and revise the manuscript. Kurt Donaldson assisted with data extraction and analysis. Priya Parmar assisted with statistical design and data analysis. Paula Kersten monitored data extraction, assisted with methods development, helped draft and revise the manuscript and adjudicated when consensus was required regarding study inclusions and rating quality.
ABSTRACT Background