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Anthropometric cutoff values for predicting metabolic syndrome in a Saudi community: from the SAUDI-DM study.


ABSTRACT:

Background

The prevalence of metabolic syndrome varies widely by ethnicity and by the criteria used in its definition.

Objective

To identify the optimal cutoff values for waist circumference (WC), waist-to-hip ratio (WHR) and body mass index (BMI) for identifying metabolic syndrome among the Saudi population.

Design

Nationwide household cross-sectional population-based survey.

Setting

Thirteen health sectors in Saudi Arabia.

Subjects and methods

We used data for subjects in the Saudi Abnormal Glucose Metabolism and Diabetes Impact Study (SAUDI-DM), which was conducted from 2007 to 2009. Using International Diabetes Federation (IDF) criteria, metabolic syndrome and its different components were assessed using anthropometric measurements, blood pressure, fasting plasma glucose, triglycerides and HDL cholesterol. Receiver operating characteristic (ROC) curves were generated to assess sensitivity and specificity for different cutoff values of WC, WHR, and BMI. The Youden index was used to calculate the optimal cutoff value for each anthropometric measurement.

Main outcome measure(s)

Optimal cutoff value for WC, WHR, and BMI for identifying the risk of metabolic syndrome.

Results

The prevalence of two or more risk factors for metabolic syndrome was observed in 43.42% of the total cohort of 12126 study participants >=18 years of age. The presence of two or more risk factors were significantly higher among men (46.81%) than women (40.53%) (P < .001). The optimal cutoff values for WC, WHR, and BMI were 92 cm, 0.89, and 25 kg/m2 for men and 87 cm, 0.81 and 28 kg/m2 for women for identifying the risk of metabolic syndrome. The prevalence of elevated triglycerides, blood pressure, and fasting plasma glucose significantly increased with age for both genders.

Conclusions

The proposed WC cutoff values were better than WHR and BMI in predicting metabolic syndrome and could be used for screening people at high risk for metabolic syndrome in the Saudi population.

Limitations

No direct measure of body fatness and fat distribution, cross-sectional design.

SUBMITTER: Al-Rubean K 

PROVIDER: S-EPMC6148981 | biostudies-literature |

REPOSITORIES: biostudies-literature

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