Acurácia das medidas de circunferência de pescoço no diagnóstico do excesso de peso em criança de 10 anos de idade
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Data
2023-06-06
Tipo de documento
Artigo Científico
Título da Revista
ISSN da Revista
Título de Volume
Área do conhecimento
Ciências da Saúde
Modalidade de acesso
Acesso fechado
Editora
Autores
Albino, André
Traebert, Guilherme
Orientador
Traebert, Jefferson
Coorientador
Resumo
Introdução: A obesidade pediátrica é uma doença que preocupa as autoridades brasileiras. Em crianças de 5 a 19 anos é aferida a partir do Índice de Massa Corpórea (IMC). Porém é fundamental a disponibilização de outros métodos diagnósticos para auxiliar no seu manejo. Objetivo: Estimar a acurácia da medida de circunferência de pescoço como método diagnóstico do excesso de peso em crianças de 10 anos de idade. Métodos: Foi realizado estudo de acurácia diagnóstica de delineamento transversal. A população foi de 942 escolares do município de Palhoça/SC em 2019. O excesso de peso foi considerado quando o escore-z do IMC estava entre os valores de 1 e 2, já a obesidade, quando o escore-z estava localizado acima de 2. Para cada medida de circunferência de pescoço foi estimada a sensibilidade, a especificidade, os valores preditivos positivo e negativo, a razão de verossimilhança para o teste positivo e a acurácia por meio da curva ROC, tendo como referência o IMC. Resultados: A acurácia global estimada foi de 88,9%. Já no sexo masculino a acurácia foi de 90,1% e no sexo feminino foi de 88,5%. O valor de circunferência de pescoço de 30,0 cm apresentou sensibilidade de 22,8%, especificidade de 95,4%, valor preditivo positivo de 76,6%, valor preditivo negativo de 65,3%, razão de verossimilhança para o teste positivo de 5,0 e acurácia de 66,7% para o conjunto dos escolares. Conclusão: A circunferência de pescoço mostrou acurácia de 88,9% como método de diagnóstico de excesso de peso em crianças de 10 anos.
Introduction: Pediatric obesity is a disease that concerns Brazilian authorities. In children aged 5 to 19 years, it is measured based on the Body Mass Index (BMI). However, it is fundamental to make available other diagnostic methods to assist in its management. Objective: To estimate the accuracy of measuring neck circumference as a diagnostic method for overweight in 10-year-old children. Methods: A cross-sectional diagnostic accuracy study was performed. The population was 942 schoolchildren in the municipality of Palhoça/SC in 2019. Excess weight was considered when the BMI z-score was between the values of 1 and 2, obesity, when the z-score was located above 2. For each measurement of neck circumference, sensitivity, specificity, positive and negative predictive values, likelihood ratio for a positive test and accuracy were estimated using the ROC curve, using BMI as a reference. Results: The estimated overall accuracy was 88.9%. For males, the accuracy was 90.1% and for females, it was 88.5%. The neck circumference value of 30.0 cm had a sensitivity of 22.8%, specificity of 95.4%, positive predictive value of 76.6%, negative predictive value of 65.3%, likelihood ratio for the test positive of 5.0 and accuracy of 66.7% for all students. Conclusion: Neck circumference showed an accuracy of 88.9% as a method for diagnosing overweight in 10-year-old children.
Introduction: Pediatric obesity is a disease that concerns Brazilian authorities. In children aged 5 to 19 years, it is measured based on the Body Mass Index (BMI). However, it is fundamental to make available other diagnostic methods to assist in its management. Objective: To estimate the accuracy of measuring neck circumference as a diagnostic method for overweight in 10-year-old children. Methods: A cross-sectional diagnostic accuracy study was performed. The population was 942 schoolchildren in the municipality of Palhoça/SC in 2019. Excess weight was considered when the BMI z-score was between the values of 1 and 2, obesity, when the z-score was located above 2. For each measurement of neck circumference, sensitivity, specificity, positive and negative predictive values, likelihood ratio for a positive test and accuracy were estimated using the ROC curve, using BMI as a reference. Results: The estimated overall accuracy was 88.9%. For males, the accuracy was 90.1% and for females, it was 88.5%. The neck circumference value of 30.0 cm had a sensitivity of 22.8%, specificity of 95.4%, positive predictive value of 76.6%, negative predictive value of 65.3%, likelihood ratio for the test positive of 5.0 and accuracy of 66.7% for all students. Conclusion: Neck circumference showed an accuracy of 88.9% as a method for diagnosing overweight in 10-year-old children.
Palavras-chave
Obesidade pediátrica, Índice de massa corporal, Diagnóstico