Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Mobility
RCT	100 people In review	Proportion with reduced mobility at 2 years 4/44 (9%) with Keller's arthroplasty 11/37 (30%) with arthrodesis	OR 0.24 95% CI 0.07 to 0.82 RCT had weak methods; see further information on studies for full details	Moderate effect size	Keller's arthroplasty