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. 2018 Mar 22;13(3):e0194490.
doi: 10.1371/journal.pone.0194490. eCollection 2018.

Trends in the prevalence of metabolic syndrome and its components in South Korea: Findings from the Korean National Health Insurance Service Database (2009-2013)

Seung Eun Lee  1 , Kyungdo Han  2 , Yu Mi Kang  1 , Seon-Ok Kim  3 , Yun Kyung Cho  1 , Kyung Soo Ko  4 , Joong-Yeol Park  1 , Ki-Up Lee  1 , Eun Hee Koh  1 ; Taskforce Team of Diabetes Fact Sheet of the Korean Diabetes Association
Affiliations

Trends in the prevalence of metabolic syndrome and its components in South Korea: Findings from the Korean National Health Insurance Service Database (2009-2013)

Seung Eun Lee et al. PLoS One. .

Abstract

Background: The prevalence of metabolic syndrome has markedly increased worldwide. However, studies in the United States show that it has remained stable or slightly declined in recent years. Whether this applies to other countries is presently unclear.

Objectives: We examined the trends in the prevalence of metabolic syndrome and its components in Korea.

Methods: The prevalence of metabolic syndrome and its components was estimated in adults aged >30 years from the Korean National Health Insurance Service data from 2009 to 2013. The revised National Cholesterol Education Program criteria were used to define metabolic syndrome.

Results: Approximately 10 million individuals were analyzed annually. The age-adjusted prevalence of metabolic syndrome increased from 28.84% to 30.52%, and the increasing trend was more prominent in men. Prevalence of hypertriglyceridemia, low HDL-cholesterol, and impaired fasting plasma glucose significantly increased. However, the prevalence of hypertension decreased in both genders. The prevalence of abdominal obesity decreased in women over 50 years-of-age but significantly increased in young women and men (<50 years).

Conclusions: The prevalence of metabolic syndrome is still increasing in Korea. Trends in each component of metabolic syndrome are disparate according to the gender, or age groups. Notably, abdominal obesity among young adults increased significantly; thus, interventional strategies should be implemented particularly for this age group.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Trends in metabolic syndrome in Korea.
The trends in metabolic syndrome prevalence among Korean adults, who participated in regular health check-ups between 2009 and 2013. A: Overall population (P for trend <0.01). B: Comparison between men and women (P <0.001). C: Age-specific trends of metabolic syndrome and ORs per year between 2009 and 2013. *Age-stratified logistic regression was used for the calculation of OR per year. OR = Odds ratio.
Fig 2
Fig 2. The trends of each component of metabolic syndrome.
The trends of each component of metabolic syndrome in individuals stratified by gender. P for trends were all significant (P <0.01). BP = blood pressure, HDL = high-density lipoprotein.
Fig 3
Fig 3. Forest plots of the ORs and CIs of components of metabolic syndrome (2013 versus 2009).
BP = blood pressure, CI = confidence interval, HDL = high-density lipoprotein, OR = odds ratio.
See this image and copyright information in PMC

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