Osteoporosis increases the risk of rotator cuff tears: a population-based cohort study

Jia Pei Hong, Shih Wei Huang, Chih Hong Lee, Hung Chou Chen, Prangthip Charoenpong, Hui Wen Lin

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Osteoporosis has been demonstrated to be a risk factor for rotator cuff retears after surgery; however, no studies have directly investigated the association between osteoporosis and the development of rotator cuff tears. To investigate whether osteoporosis is associated with an increased risk of rotator cuff tears. Materials and methods: We conducted a population-based, matched-cohort study with a 7-year follow-uTwo matched cohorts (n = 3511 with osteoporosis and 17,555 without osteoporosis) were recruited from Taiwan’s Longitudinal Health Insurance Dataset. Person-year data and incidence rates were evaluated. A multivariable Cox model was used to derive an adjusted hazard ratio (aHR) after controlling for age, sex, and various prespecified comorbidities. Age and sex were added in the model to test for interaction with osteoporosis. Results: Women constituted 88.5% of the cohorts. During follow-up of 17,067 and 100,501 person-years for the osteoporosis and nonosteoporosis cohorts, 166 and 89 rotator cuff tears occurred, respectively. The cumulative incidence of rotator cuff tears was significantly higher in the osteoporosis cohort than in the nonosteoporosis cohort (p < 0.001, log-rank). The Cox model revealed a 1.79-fold increase in rotator cuff tears in the osteoporosis cohort, with an aHR of 1.79 (95% confidence interval, 1.55–2.05). Effect modification of sex and age on rotator cuff tears was not found in patients with osteoporosis. Conclusion: This population-based study supports the hypothesis that compared with individuals without osteoporosis, those with osteoporosis have a higher risk of developing rotator cuff tears.

Original languageEnglish
Pages (from-to)348-356
Number of pages9
JournalJournal of Bone and Mineral Metabolism
Volume40
Issue number2
DOIs
Publication statusPublished - Mar 2022

Keywords

  • Osteoporosis
  • Population-based study
  • Rotator cuff tears
  • Shoulder

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Orthopedics and Sports Medicine
  • Endocrinology

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