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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/29569

Title: Cross-sectional analysis of baseline differences of candidates for rotator cuff surgery: a sex and gender perspective
Authors: Razjmou, H
Davis, AM
Jaglal, SB
Holtby, R
Richards, RR
Keywords: Cross-sectional Analysis of Baseline Differences of Candidates for Rotator Cuff Surgery: A Sex and Gender Perspective
Issue Date: 24-Feb-2009
Publisher: BMC Musculoskeletal Disorders
Citation: BMC Musculoskeletal Disorders, 2009; 10:26
Abstract: Background: The word "sex" refers to biological differences between men and women. Gender refers to roles, behaviors, activities, and attributes that a given society considers appropriate for men and women. Traditionally, treatment decisions have been based on patient's sex without including the gender. Assessment of disability secondary to musculoskeletal problems would not be complete or accurate unless potentially relevant biological and non-biological aspects of being a man or woman are taken into consideration. The purposes of this study were to: 1) investigate the difference in pre-operative characteristics between men and women who were candidates for rotator cuff surgery; and, 2) assess the relationship between level of disability and factors that represent sex and factors that signify gender. Method: This was a cross-sectional study. The primary outcome measure of disability was a disease-specific outcome measure, the Western Ontario Rotator Cuff (WORC) index, and independent variables were sex, age, hand dominance, shoulder side involvement, BMI, comorbidity, medication use, work status, smoking habits, strength, range of motion, level of pathology, concurrent osteoarthritis, expectations for recovery, and participation restriction. Parametric, non-parametric, univariable, subgroup, and multivariable analyses were conducted. Results: One hundred and seventy patients were included in the study. The mean age was 57 ± 11, 85 were females. Women reported higher levels of disability despite similar or lower levels of pathology. Scores of the WORC were strongly influenced by factors that represented "gender" such as participation restriction (F = 28.91, p < 0.0001) and expectations for improved activities of daily living (F = 5.80, p = 0.004). Painfree combined range of motion, which represented an interaction between "sex" and "gender" was also associated with disability after being adjusted for all other relevant baseline factors (F = 25.82, p < 0.0001). Conclusion: Gender-related factors such as expectations and participation limitations have an independent impact on disability in men and women undergoing rotator cuff related surgery.
URI: http://hdl.handle.net/1807/29569
Appears in Collections:UofT Faculty publications

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