Circunferência da cintura e índice de massa corporal como preditores da hipertensão arterial
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Data
2006
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Objective: To evaluate the association between anthropometric indexes – body mass index (BMI) and waist circumference (WC) – and hyperten-
sion, and to evaluate the predictive value of these indexes in detecting hypertension.
Methods: Cross-sectional population study conducted in the city of Goiânia (GO) with a sample of 1,238 adults aged twenty to 64 years, in
2001. Total obesity was defined as BMI ≥ 30 kg/m 2 ; abdominal obesity was defined as level 2 WC ≥ 88 cm for women and ≥ 102 cm for
men, and hypertension was defined as systolic pressure ≥ 140 mmHg, or diastolic pressure ≥ 90 mmHg, or utilization of hypotensive drugs).
Multiple logistic regression analysis was used to evaluate the associations between anthropometric indexes and hypertension. The Receiver
Operating Characteristic (ROC) curve analysis was used to evaluate sensitivity and specificity of BMI (≥ 30) and level 2 WC as predictive factors
of hypertension, and to determine the best predictive cut-off points for hypertension.
Results: WC was associated with hypertension in both genders. Level 2 WC and BMI ≥30 kg/m 2 showed a low sensitivity in identifying hyperten-
sion. The best predictive cut-off points for hypertension coincided with level 1 WC (≥ 80 cm) and with BMI ≥25 kg/m 2 (overweight) for women,
and were lower than the values of level 1 WC and of overweight for men.
Conclusion: Level 2 WC and BMI ≥ 30 kg/m 2 are not adequate to identify the groups at the highest risk of hypertension, since this risk rises with
small increases in adiposity.
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Circunferência da cintura, Predição, Índice de massa corporal, Hipertensão arterial, Waist circumference, Prediction, Body mass index, Hhypertension
Citação
PEIXOTO, Maria do Rosário Gondim; BENÍCIO, Maria Helena D’Aquino; LATORRE, Maria do Rosário Dias de Oliveira; JARDIM, Paulo César Brandão Veiga. Circunferência da cintura e índice de massa corporal como preditores da hipertensão arterial. Arquivos Brasileiros de Cardiologia, Rio de Janeiro, v. 87, n. 4, p. 462-470, 2006.