Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Improvement in joint angle
RCT	35 people In review	Hallux valgus angle after a minimum of 1 year 21° with Keller's arthroplasty plus joint distraction 21° with Keller's arthroplasty alone	Reported as not significant P value not reported RCT had weak methods; see further information on studies for full details		Not significant