Does Gender Influence Outcome in Cartilage Repair Surgery? An Analysis of 4,968 Consecutive Patients from the German Cartilage Registry (Knorpel Register DGOU)

Faber, Svea and Zinser, Wolfgang and Angele, Peter and Spahn, Gunter and Loeer, Ingo and Zellner, Johannes and Hochrein, Alfred and Niemeyer, Philipp (2020) Does Gender Influence Outcome in Cartilage Repair Surgery? An Analysis of 4,968 Consecutive Patients from the German Cartilage Registry (Knorpel Register DGOU). CARTILAGE: 1947603520. ISSN 1947-6035, 1947-6043

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Abstract

The goal was to examine gender differences of patient characteristics and outcome after cartilage repair based on a collective of nearly 5,000 patients. Patient characteristics, accompanying therapies, and outcome (Knee Injury and Osteoarthritis Outcome Score [KOOS], reoperations, patient satisfaction) of 4,986 patients of the German cartilage register DGOU were assessed by t test for possible gender differences. P values <0.05 were considered statistically significant. Women were older than men (38.07 +/- 12.54 vs. 26.94 +/- 12.394 years, P = 0.002), more often preoperated (0.30 +/- 0.63 vs. 0.24 +/- 0.55, P = 0.001), and had a longer symptom duration (25.22 +/- 41.20 vs. 20.67 +/- 35.32 months, P < 0.001). Men had greater mean leg axis malalignment than women (3.24 degrees +/- 3.26 degrees vs. 2.67 degrees +/- 3.06 degrees, P < 0.001), less favorable meniscal status (P = 0.001), worse defect stage (P = 0.006), and a more severely damaged corresponding articular surface (P = 0.042). At baseline (59.84 +/- 17.49 vs. 52.10 +/- 17.77, P < 0.001), after 6 months (72.83 +/- 15.56 vs. 66.56 +/- 17.66, P < 0.001), after 12 months (77.88 +/- 15.95 vs. 73.07 +/- 18.12, P < 0.001), and after 24 months (79.311 +/- 15.94 vs. 74.39 +/- 18.81, P < 0.001), men had better absolute KOOS values, but women had better relative KOOS increases 6 months (14.59 +/- 17.31 vs. 12.49 +/- 16.3, P = 0.005) as well as 12 months postoperatively (20.27 +/- 18.6 vs. 17.34 +/- 17.79, P = 0.001) compared with preoperatively, although 12 and 24 months postoperatively they were subjectively less satisfied with the outcome (P < 0.001) and had a higher reintervention rate at 24 months (0.17 +/- 0.38 vs. 0.12 +/- 0.33, P = 0.008). In summary, the present work shows specific gender differences in terms of patient characteristics, defect etiology, defect localization, concomitant therapy, and the choice of cartilage repair procedure. Unexpectedly, contrary to the established scientific opinion, it could be demonstrated that women show relatively better postoperative KOOS increases, despite a higher revision rate and higher subjective dissatisfaction.

Item Type: Article
Uncontrolled Keywords: AUTOLOGOUS CHONDROCYTE IMPLANTATION; HIGH TIBIAL OSTEOTOMY; QUADRICEPS STRENGTH; KNEE; OSTEOARTHRITIS; DEFECTS; INJURY; SEX; PREDICTS; WEAKNESS; gender; sex; cartilage; surgery; repair
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Unfallchirurgie
Depositing User: Petra Gürster
Date Deposited: 09 Apr 2021 09:46
Last Modified: 09 Apr 2021 09:46
URI: https://pred.uni-regensburg.de/id/eprint/44496

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