Male Sex, Western Ontario Shoulder Instability Index Score, and Sport as Predictors of Large Labral Tears of the Shoulder: A Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability Cohort Study

Kevin J. Cronin; Justin A. Magnuson; Brian R. Wolf; Gregory S. Hawk; Katherine L. Thompson; Cale A. Jacobs; Carolyn M. Hettrich; Julie Y. Bishop; Matthew J. Bollier; Keith M. Baumgarten; Jonathan T. Bravman; Robert H. Brophy; Charles L. Cox; Brian T. Feeley; Rachel M. Frank; John A. Grant; Grant L. Jones; John E. Kuhn; C. Benjamin Ma; Robert G. Marx; Eric C. McCarty; Bruce S. Miller; Andrew S. Neviaser; Adam J. Seidl; Matthew V. Smith; Rick W. Wright; Alan L. Zhang; MOON Shoulder Group

doi:10.1016/j.arthro.2021.01.007

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Male Sex, Western Ontario Shoulder Instability Index Score, and Sport as Predictors of Large Labral Tears of the Shoulder: A Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability Cohort Study

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Male Sex, Western Ontario Shoulder Instability Index Score, and Sport as Predictors of Large Labral Tears of the Shoulder: A Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability Cohort Study

Kevin J. Cronin, Justin A. Magnuson, Brian R. Wolf, Gregory S. Hawk, Katherine L. Thompson, Cale A. Jacobs, Carolyn M. Hettrich, Julie Y. Bishop, Matthew J. Bollier, Keith M. Baumgarten, …

Arthroscopy, Vol.37(6), pp.1740-1744

06/01/2021

DOI: 10.1016/j.arthro.2021.01.007

PMID: 33460709

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Abstract

Purpose: To identify factors predictive of a large labral tear at the time of shoulder instability surgery. Methods: As part of the Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability cohort, patients undergoing open or arthroscopic shoulder instability surgery for a labral tear were evaluated. Patients with >270 degrees tears were defined as having large labral tears. To build a predictive logistic regression model for large tears, the Feasible Solutions Algorithm was used to add significant interaction effects. Results: After applying exclusion criteria, 1235 patients were available for analysis. There were 222 females (18.0%) and 1013 males (82.0%) in the cohort, with an average age of 24.7 years (range 12 to 66). The prevalence of large tears was 4.6% (n = 57), with the average tear size being 141.9 degrees. Males accounted for significantly more of the large tears seen in the cohort (94.7%, P = .01). Racquet sports (P = .01), swimming (P = .02), softball (P = .05), skiing (P = .04), and golf (P = .04) were all associated with large labral tears, as was a higher Western Ontario Shoulder Instability Index (WOSI; P = .01). Age, race, history of dislocation, and injury during sport were not associated with having a larger tear. Using our predictive logistic regression model for large tears, patients with a larger body mass index (BMI) who played contact sports were also more likely to have large tears (P = .007). Conclusions: Multiple factors were identified as being associated with large labral tears at the time of surgery, including male sex, preoperative WOSI score, and participation in certain sports including racquet sports, softball, skiing, swimming, and golf. Level of Evidence: I, prognostic study.

Orthopedics

Surgery

Life Sciences & Biomedicine

Science & Technology

Sport Sciences

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Title: Subtitle: Male Sex, Western Ontario Shoulder Instability Index Score, and Sport as Predictors of Large Labral Tears of the Shoulder: A Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability Cohort Study
Creators: Kevin J. Cronin - University of Kentucky
Justin A. Magnuson - University of Kentucky
Brian R. Wolf - University of Iowa
Gregory S. Hawk - University of Kentucky
Katherine L. Thompson - University of Kentucky
Cale A. Jacobs - University of Kentucky
Carolyn M. Hettrich - Brigham and Women's Hospital
Julie Y. Bishop - The Ohio State University
Matthew J. Bollier - University of Iowa Hospitals and Clinics
Keith M. Baumgarten - Orthopedic Institute
Jonathan T. Bravman - University of Colorado Denver
Robert H. Brophy - Department of Orthopedics, Washington University Saint Louis, St. Louis, MO.
Charles L. Cox - Vanderbilt University Medical Center
Brian T. Feeley - University of California, San Francisco
Rachel M. Frank - University of Colorado Denver
John A. Grant - University of Michigan
Grant L. Jones - The Ohio State University
John E. Kuhn - Vanderbilt University Medical Center
C. Benjamin Ma - University of California, San Francisco
Robert G. Marx - Hospital for Special Surgery
Eric C. McCarty - University of Colorado Denver
Bruce S. Miller - University of Michigan
Andrew S. Neviaser - The Ohio State University
Adam J. Seidl - University of Colorado Denver
Matthew V. Smith - Department of Orthopedics, Washington University Saint Louis, St. Louis, MO.
Rick W. Wright - Department of Orthopedics, Washington University Saint Louis, St. Louis, MO.
Alan L. Zhang - University of California, San Francisco
MOON Shoulder Group
Resource Type: Journal article
Publication Details: Arthroscopy, Vol.37(6), pp.1740-1744
DOI: 10.1016/j.arthro.2021.01.007
PMID: 33460709
NLM abbreviation: Arthroscopy
ISSN: 0749-8063
eISSN: 1526-3231
Publisher: Elsevier
Number of pages: 5
Grant note: 14-003 / Orthopaedic Research Education Foundation
Language: English
Date published: 06/01/2021
Academic Unit: Orthopedics and Rehabilitation; Physical Therapy and Rehabilitation Science
Record Identifier: 9984295058002771

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