Study designs of evaluations included in the review
Prospective randomised clinical trials (RCTs) were eligible for inclusion. The mean follow-up was 23.3 months (range: 12 to 42).
Specific interventions included in the review
Studies comparing all-endoscopic (all-inside or single-incision) with rear-entry (outside-in or two-incision) treatments for ACL were included. All studies used bone-patellar tendon-bone autograph.
Participants included in the review
Studies of patients undergoing ACL reconstruction were eligible for inclusion. The mean age of the participants was 26 to 28 years; no further participant details were provided.
Outcomes assessed in the review
There were no inclusion criteria relating to the outcomes. The outcomes included operating time, length of hospital stay, activity level, instrumented laxity, range of motion, strength, pain, knee scores and complications.
How were decisions on the relevance of primary studies made?
The authors did not state how the studies were selected for the review, or how many reviewers performed the study selection.