Article

Prevalence and factor analysis of metabolic syndrome in an urban Korean population.

Division of Endocrinology and Metabolism, Department of Internal Medicine, Ewha Womans University Medical College, Seoul, Korea.
Diabetes Care (impact factor: 8.09). 09/2004; 27(8):2027-32. pp.2027-32
Source: PubMed

ABSTRACT The aim of this study was to explore the prevalence and pattern of the metabolic syndrome and its association with hyperinsulinemia in an urban Korean population of 269 men and 505 women.
The National Cholesterol Education Program Adult Treatment Panel (ATP) III guidelines were used to calculate the sex-specific prevalence of the metabolic syndrome. After excluding individuals taking medication for hypertension, diabetes, or dyslipidemia, we used factor analysis to examine the pattern of the metabolic syndrome in 206 men and 449 women.
The prevalence of metabolic syndrome was 16.0% in men and 10.7% in women aged 30-80 years. However, ATP III criteria for central obesity are not optimal for an Asian-Pacific population; when waist circumference is reduced from 102 to 90 cm in men and 88 to 80 cm in women, the prevalence of the metabolic syndrome increased to 29.0 and 16.8%, respectively. Sex-specific factor analysis showed four factors in men (obesity, glucose intolerance, hypertension, and dyslipidemia) and three in women (obesity-hypertension, glucose intolerance, and obesity-dyslipidemia). Insulin resistance estimated from fasting insulin levels clustered with three of the four factors in men and two of the three factors in women. By ATP III or Asian-Pacific waist circumference criteria, the prevalence of the metabolic syndrome increased with increasing tertiles of insulin resistance, which was estimated by a homeostasis model assessment.
The metabolic syndrome is common in an urban Korean population when using Asian-Pacific waist criteria. The prevalence of the metabolic syndrome increased with increasing tertiles of insulin resistance.

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Keywords

Asian-Pacific population
 
Asian-Pacific waist circumference criteria
 
Asian-Pacific waist criteria
 
ATP III
 
ATP III criteria
 
factor analysis
 
fasting insulin levels
 
four factors
 
glucose intolerance
 
homeostasis model assessment
 
hyperinsulinemia
 
Insulin resistance
 
metabolic syndrome
 
National Cholesterol Education Program Adult Treatment Panel
 
obesity-hypertension
 
Sex-specific factor analysis
 
sex-specific prevalence
 
three factors
 
urban Korean population
 
women