Why the study?
Do national body fat cutoff levels accurately predict elevated blood pressure in Brazilian male adolescents?
Do national body fat cutoff levels accurately predict elevated blood pressure in Brazilian male adolescents?
Nationally developed body fat cutoffs are viable and accurate predictors of elevated blood pressure in Brazilian male adolescents.
May support national body fat cutoffs for BP risk identification in Brazilian male adolescents; leaves open prospective validation before clinical adoption.
OBJECTIVE: To assess viability of the development of percentage body fat cutoffs based on blood pressure values in Brazilian adolescents. METHODS: A cross-sectional study was conducted with a sample of 358 male subjects from 8 to 18 years old. Blood pressure was measured by the oscilometric method, and body composition was measured by dual-energy X-ray absorptiometry (DXA). RESULTS: For the identification of elevated blood pressure, these nationally developed body fat cutoffs presented relative accuracy. The cutoffs were significantly associated with elevated blood pressure [odds ratio = 5.91 (95% confidence interval: 3.54-9.86)]. CONCLUSIONS: Development of national body fat cutoffs is viable, because presence of high accuracy is an indication of elevated blood pressure.
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Fernandes et al. (2009) studied this question.
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