Factors Influencing the Size of a Non-Traumatic Full-Thickness Rotator Cuff Tear: Focusing on Socioeconomic Factors

Suk-Woong Kang, Chan-Kue Park, Seung-Hun Woo, Tae-Woo Kim, Min-Hui Moon, Ji-Hee Yang and Min-Hyeok Choi
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Suk-Woong Kang: Department of Orthopedic Surgery, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
Chan-Kue Park: Department of Radiology, Pusan National University Yangsan Hospital, Medical College, Pusan National University, Yangsan 50612, Korea
Seung-Hun Woo: Department of Orthopedic Surgery, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
Tae-Woo Kim: Department of Orthopedic Surgery, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
Min-Hui Moon: Office of Public Healthcare Service, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
Ji-Hee Yang: Department of Medicine, Medical College, Pusan National University, Yangsan 50612, Korea
Min-Hyeok Choi: Office of Public Healthcare Service, Pusan National University Yangsan Hospital, Yangsan 50612, Korea

IJERPH, 2022, vol. 19, issue 10, 1-11

Abstract: This study aimed to identify the risk factors for non-traumatic rotator cuff tears in Korean adult patients who underwent surgical treatment, focusing on socioeconomic factors. A retrospective study was conducted with 659 patients who were diagnosed with a full rotator cuff tear and underwent surgical treatment. The outcome variable was the rotator cuff tear size (mm), as indicated by preoperative magnetic resonance imaging. Socioeconomic variables included occupation, education level, insurance type, and residential area. Univariate analyses were used to evaluate the relation between tear size and independent variables, and multivariate regression was used to estimate the effects of socioeconomic factors on tear size after adjusting for other variables. Significant differences were found in mean tear size according to age, occupation, residence area, and symptom duration ( p < 0.05) in multivariate regression analysis. Rural residents had a 2.12 mm larger tear size than urban residents. Compared to National Health Insurance patients, the tear size of Medicaid beneficiaries was significantly larger (6.79 mm) in urban areas. The larger the rotator cuff tear, the greater the risk of retear and poor shoulder function. Therefore, policy efforts are required to expand access to medical care for the vulnerable.

Keywords: musculoskeletal disorders; rotator cuff tear; tear size; risk factors; socioeconomic factors (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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