Table 1. Inclusion criteria.
Studies investigating treatment outcomes in a sport-related injury population.

Sports-related musculoskeletal injuries or concussions included

The study must report the outcomes of a surgical or non-surgical treatment of a sport-related injury

No minimum length of follow-up

At least one of the pre- or post-treatment factors being studied is based upon a psychological assessment tool

The psychological assessment was performed pre-treatment or post-treatment

The psychological assessment tool is self-administered in either paper or electronic format

The research is reported in an English, peer-reviewed manuscript

Retrospective studies, prospective studies, and case series were included

Minimum 5 patients required for inclusion

Abstracts and posters excluded.