J Korean Acad Oral Health.  2021 Mar;45(1):24-29. 10.11149/jkaoh.2021.45.1.24.

Association between periodontal disease and hypertension using propensity score matching: results from the seventh (2016-2018) Korea National Health and Nutrition Examination Surve

  • 1Department of Dentistry, Yeungnam University College of Medicine, Daegu, Korea
  • 2Department of Dental Hygiene, College of Science & Technology, Kyungpook National University, Sangju, Korea


This study aimed to show a correlation between periodontal disease and hypertension.
This study analyzed data of 6794 adults over 19 years based on results from the Korea National Health and Nutrition Examination Survey for the period 2016-2018. Complex sample analysis and propensity score matching analysis methods were conducted to determine whether a correlation between periodontal disease and hypertension existed.
Results of the complex sample logistic regression analysis were: OR=1.4 (95% CI:1.23-1.58). However, the result of the conditional logistic regression analysis after propensity score matching yielded no correlation between periodontitis and hypertension (OR=1.03 (95% CI:0.92-1.16)).
It is difficult to conclude that a significant correlation exists between hypertension and periodontal disease, and further studies need to be performed to assess a significant correlation.


Periodontal disease; hypertension; Propensity Score; Korean National Health and Nutrition Survey


  • Fig. 1 Flow chart of study.



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