Association of periodontitis with menopause and hormone replacement therapy: a hospital cohort study using a common data model

Ki Yeol Park, Min Ho Kim, Seong Ho Choi, Eun Kyoung Pang

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: The present study was designed to compare the incidence of periodontitis according to menopausal status and to investigate the possible effect of hormone replacement therapy (HRT) on periodontitis in postmenopausal women using a common data model (CDM) at a single institution. Methods: This study involved retrospective cohort data of 950,751 patients from a 20-year database (2001 to 2020) of Ewha Womans University Mokdong Hospital converted to the Observational Medical Outcomes Partnership CDM. One-way analysis of variance models and the χ2 test were used to analyze the statistical differences in patient characteristics among groups. A time-dependent Cox regression analysis was used to calculate hazard ratios and 95% confidence intervals, and P values less than 0.05 were considered to indicate statistical significance. Results: Of the 29,729 patients, 1,307 patients were diagnosed with periodontitis and 28,422 patients were not. Periodontitis was significantly more common among postmenopausal patients regardless of HRT status than among the non-menopausal group (P<0.05). Time-dependent Cox regression analysis showed that the postmenopausal patients had a significantly higher chance of having periodontitis than non-menopausal patients (P<0.05), but after adjustment for age, body mass index, and smoking status, the difference between the non-menopausal and post-menopausal HRT-treated groups was insignificant (P=0.140). Conclusions: Postmenopausal women had a significantly greater risk of periodontitis than non-menopausal women.

Original languageEnglish
Article numbere41
JournalJournal of Periodontal and Implant Science
Volume52
Issue number6
DOIs
StatePublished - 2022

Bibliographical note

Publisher Copyright:
© 2022. Korean Academy of Periodontology

Keywords

  • Hormone replacement therapy
  • Menopause
  • Periodontitis

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