The subjects were young patients that received arthroscopic meniscus repair (the subjects’ mean age in included studies was less than 30 years) |
Studies that did not compare the effect of arthroscopic meniscus repair |
Studies regarding revision surgery |
Subjects who had congenital disease or congenital deformity |
The studies evaluated clinical outcomes after arthroscopic meniscus repair in young patients |
Studies reporting less than 2-year follow-up data on clinical outcome, functional and imaging outcomes |
Studies reporting a minimum 2-year follow-up data on clinical outcome, functional and imaging outcomes |
Level III, IV and V evidence (case report, technical note, letters to editor), review articles |
Only included level-I or -II evidence |
Studies that only reported non-clinical outcome measures or intraoperative measures were excluded |
No exclusions were made on the basis of language |
Human subjects |
Animal studies or in vitro studies |