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Endocrinol Metab (Seoul). 2015 Dec;30(4):514-21. doi: 10.3803/EnM.2015.30.4.514. Epub 2015 Sep 10.

Characterization of Patients with Type 2 Diabetes according to Body Mass Index: Korea National Health and Nutrition Examination Survey from 2007 to 2011.

Author information

1
Division of Endocrinology and Metabolism, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
2
Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
3
Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea. drshchoi@snu.ac.kr.

Abstract

BACKGROUND:

The present study aimed to investigate the clinical characteristics of type 2 diabetes mellitus (T2DM) in Korean adults according to body mass index (BMI) and to analyze the association with cardiovascular disease (CVD).

METHODS:

We conducted a cross-sectional study of data from the Korea National Health and Nutrition Examination Survey from 2007 to 2011. A total of 3,370 patients with T2DM were divided into categories according to BMI. We conducted a comparison of the T2DM patient population composition by BMI category between different countries. We investigated the prevalence of awareness, treatment, and target control of T2DM according to BMI.

RESULTS:

Patients with T2DM had a higher BMI, and were more likely to have a history of CVD than healthy controls. For Korean adults with T2DM, 8% had BMI ≥30 kg/m². By contrast, the population of patients with T2DM and BMI ≥30 kg/m² was 72% in patients in the USA and 56% in the UK. The rate of recognition, treatment, and control has worsened in parallel with increasing BMI. Even in patients with BMI 25 to 29.9 kg/m², the prevalence of CVD or high risk factors for CVD was significantly higher than in patients with BMI 18.5 to 22.9 kg/m² (odds ratio, 2.07).

CONCLUSION:

Korean patients with T2DM had lower BMI than those in Western countries. Higher BMI was associated with lower awareness, treatment, and control of diabetes, and a positive association was observed between CVD or high risk factors for CVD and BMI, even for patients who were overweight but not obese.

KEYWORDS:

Body mass index; Cardiovascular diseases; Diabetes mellitus, type 2

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