Key result
Waist circumference showed a stronger correlation with systolic blood pressure than body mass index (r = 0.38, p = 0.001 vs r = 0.27, p = 0.01) in children and adolescents with obesity.
Why the study?
Do waist circumference and body mass index predict blood pressure in children and adolescents with obesity?
Cross-Sectional (n=65)
Do waist circumference and body mass index predict blood pressure in children and adolescents with obesity?
Waist circumference is a better predictor of systolic blood pressure than BMI in children and adolescents with obesity, likely due to its ability to reflect abdominal adiposity.
Answers are grounded in this paper and cite their sources.
Waist circumference may better indicate SBP associations than BMI in obese youth; leaves open prospective validation for risk stratification.
Objective To identify the relationship of body mass index (BMI) and waist circumference (WC) values for systolic (SBP) and diastolic blood pressure (DBP) in children and adolescents with obesity. Methods We studied 65 children and adolescents with obesity (BMI > percentile 95). Anthropometric and laboratory assessment was conducted; blood pressure measurement in triplicate adjusted for age and height. Results 40 boys and 25 girls with a mean age of 10.4 ± 3.0 years. Blood pressure was lower than 90 percentile on 93.8%, only two cases (3.1%) between 90 and 95 percentile and two above the 95 percentile. WC showed a better correlation with SBP than BMI (r = 0.38, p = 0.001 versus r = 0.27, p = 0.01), whereas for DBP, the correlation was similar for WC and BMI (r = 0.38, p = 0,001). Multivariate models for SBP and DBP showed greater influence of WC than BMI. Discussion The magnitude of the observed correlation seems to confirm a better relation of WC with blood pressure. BMI is not able to distinguish between subjects with excess adipose tissue or those with increases in muscle mass. Parameters considering abdominal adiposity have better relationship with cardiovascular risk factors.
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Romero‐Velarde et al. (2011) conducted a cross-sectional in Obesity (n=65). Waist circumference and Body mass index was evaluated on Correlation with systolic blood pressure (r = 0.38, p=0.001). Waist circumference showed a stronger correlation with systolic blood pressure than body mass index (r = 0.38, p = 0.001 vs r = 0.27, p = 0.01) in children and adolescents with obesity.
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