Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Pain
RCT 3-armed trial	209 people In review	Mean pain intensity (assessed on a visual analogue scale ranging from 0 [no pain] to 100 [unbearable pain]) at 1 year 23 with distal chevron osteotomy 40 with no treatment	Difference adjusted for baseline characteristics: –19 for distal chevron osteotomy v no treatment 95% CI –28 to –10	Effect size not calculated	distal chevron osteotomy