Outcomes of Hip Arthroscopic Surgery in Patients With Tönnis Grade 1 Osteoarthritis at a Minimum 5-Year Follow-up: A Matched-Pair Comparison With a Tönnis Grade 0 Control Group.

Abstract: Studies on midterm outcomes of the arthroscopic treatment of femoroacetabular impingement (FAI) and labral tears with mild osteoarthritis (OA) are limited.

Methods: Data were prospectively collected on patients who underwent hip arthroscopic surgery between February 2008 and April 2011. Inclusion criteria were arthroscopic treatment for FAI and labral tears and having preoperative patient-reported outcome (PRO) scores, including the modified Harris Hip Score (mHHS), Non-Arthritic Hip Score (NAHS), and Hip Outcome Score-Sports-Specific Subscale (HOS-SSS), and visual analog scale (VAS) scores for pain.

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