Table 1.

Inclusion and Exclusion Criteria

Inclusion Criteria	Exclusion Criteria
Primary ACL reconstruction	Revision ACL reconstruction
Contains description of meniscal status at the time of ACL reconstruction with at least two meniscal groups	Skeletally immature patients
Follow-up of at least 2 years	Performance of concurrent non-meniscal procedures
Radiographic evaluation of development of osteoarthritis at follow-up	Use of artificial ligaments or ligament augmentation devices
Breakdown of development of radiographic findings by meniscal status	Multi-ligament knee injuries
Arthroscopic, arthroscopic-assisted, or mini-open ligament reconstruction	Open procedures
Reconstruction using patellar tendon or hamstring autograft	Primary ligament repair or reconstruction with graft other than patellar tendon or hamstring
	Reconstruction using allograft