Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Pain
RCT 3-armed trial	209 people In review	Pain intensity (assessed on a visual analogue score ranging from 0 [no pain] to 100 [unbearable pain]) at 1 year 23 with distal chevron osteotomy 40 with orthoses	Difference adjusted for baseline characteristics: –14 for distal chevron osteotomy v orthoses 95% CI –22 to –5	Effect size not calculated	distal chevron osteotomy