Risk Factors for the Occurrence and Severity of Vertebral Fractures in Inflammatory Bowel Disease Patients: A Nationwide Population-Based Cohort Study

Arum Choi, Sung Hoon Jung, Sukil Kim, Jun Seok Lee

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Background: The risk of vertebral fractures is increased in inflammatory bowel disease (IBD) patients. However, whether the severity of vertebral fractures differs between IBD patients and the general population, or between patients with Crohn’s disease (CD) and ulcerative colitis (UC), is unknown. Methods: We investigated risk factors associated with the occurrence and severity of vertebral fractures in IBD patients using The National Healthcare Insurance Service (NHIS) database. We defined the patients who underwent vertebroplasty or kyphoplasty after being diagnosed with a vertebral fracture as having a severe vertebral fracture than those with only diagnosis codes. Results: From 2008 to 2018, there were 33,778 patients with IBD (24,370 UC patients and 9,408 CD patients) and 101,265 patients in the reference population. The incidence rate ratio of vertebral fractures in the IBD patients was 1.27 per 1,000 person-years (95% confidence interval [CI], 1.26–1.27). The risk of vertebral fracture was higher in CD and UC patients than in the matched reference group (hazard ratio [HR], 1.59; 95% CI, 1.31–1.92; P < 0.001 and HR, 1.26; 95% CI, 1.14–1.41; P < 0.001, respectively). In a multivariate analysis, the occurrence of vertebral fracture was associated with CD (HR, 1.31; 95% CI, 1.08–1.59; P = 0.006), older age (CD: HR, 1.09; 95% CI, 1.08–1.09; P < 0.001 and UC: HR, 1.09; 95% CI, 1.08–1.09; P < 0.001), female sex (CD: HR, 1.81; 95% CI, 1.63–2.01; P < 0.001 and UC: HR, 2.02; 95% CI, 1.83–2.22; P < 0.001), high Charlson Comorbidity Index (CCI) score (CD: HR, 1.42; 95% CI, 1.23–1.63; P < 0.001 and UC: HR, 1.46; 95% CI, 1.29–1.65, P < 0.001), and long-term steroid use (CD: HR, 3.71; 95% CI, 2.84–3.37; P < 0.001 and UC: HR, 3.88; 95% CI, 3.07–4.91; P < 0.001). The severity of vertebral fractures was associated with IBD (CD: HR, 1.82; 95% CI, 1.17–2.83; P = 0.008 and UC: HR, 1.49; 95% CI, 1.17–1.89; P < 0.001) and older age (HR, 1.06; 95% CI, 1.05–1.07; P < 0.001). Conclusion: Vertebral fractures occur frequently and more severely in IBD patients, particularly those with CD. Therefore, we suggest monitoring of bone density, regular vitamin D supply, and reducing the use of corticosteroids to prevent vertebral fractures in IBD patients who are older, female, or have comorbidities.

Original languageEnglish
Article numbere210
JournalJournal of Korean Medical Science
Volume38
Issue number28
DOIs
StatePublished - 2023

Bibliographical note

Funding Information:
This research was supported by a grant from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (grant number: HI19C1298).

Publisher Copyright:
© 2023 The Korean Academy of Medical Sciences.

Keywords

  • Crohn’s Disease
  • Incidence
  • Inflammatory Bowel Disease
  • Korea
  • Steroid
  • Ulcerative Colitis
  • Vertebral Fracture

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