biostudies-literatureUnknown10(11)Sherman WF<h4>Background</h4>Surgeons are familiar with the complication rates and risks of knee arthroscopy, but comparative data between hip arthroscopy and knee arthroscopy are lacking.<h4>Purpose</h4>To compare complications in knee arthroscopy, the most common arthroscopic procedure, with those in hip arthroscopy.<h4>Study design</h4>Cohort study; Level of evidence, 3.<h4>Methods</h4>A retrospective matched-cohort study analyzing patients who received a primary hip or knee arthroscopy was performed using the PearlDiver database. A total of 19,735 patients were identified for each cohort. Systemic complications and readmissions were assessed at 3 months postoperatively. Local complications and reoperations were assessed at 6 months, 12 months, and 24 months postoperatively. All categorical variaOrthopaedic journal of sports medicine23259671221131059https://www.ebi.ac.uk/biostudies/studies/S-EPMC9659928biostudies-literatureLocal and Systemic Complications of Knee and Hip Arthroscopy: A Matched-Cohort Study.PMC9659928Wilder JHSherman WFVerzeaux NPLee OCFlick TRHeard WMRFreiberger CfalseLocal and Systemic Complications of Knee and Hip Arthroscopy: A Matched-Cohort Study.<h4>Background</h4>Surgeons are familiar with the complication rates and risks of knee arthroscopy, but comparative data between hip arthroscopy and knee arthroscopy are lacking.<h4>Purpose</h4>To compare complications in knee arthroscopy, the most common arthroscopic procedure, with those in hip arthroscopy.<h4>Study design</h4>Cohort study; Level of evidence, 3.<h4>Methods</h4>A retrospective matched-cohort study analyzing patients who received a primary hip or knee arthroscopy was performed using the PearlDiver database. A total of 19,735 patients were identified for each cohort. Systemic complications and readmissions were assessed at 3 months postoperatively. Local complications and reoperations were assessed at 6 months, 12 months, and 24 months postoperatively. All categorical varia2022-01-01T00:00:00Z2022 Nov2025-04-22T19:01:09.452Z2025-04-06T02:38:07.241ZS-EPMC96599283638961510.1177/23259671221131059