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Análisis de la curva ROC en la evaluación de indicadores antropométricos / Analysis of the ROC curve in the evaluation ofanthropometric indicators
Bauce, Gerardo; Moya-Sifontes, Mary.
  • Bauce, Gerardo; Universidad Central de Venezuela. Escuela de Nutrición y Dietética. Caracas. VE
  • Moya-Sifontes, Mary; Universidad Central de Venezuela. Escuela de Nutrición y Dietética. Caracas. VE
Revista Digital de Postgrado ; 11(1): 333, abr. 2022. tab, graf
Article in Spanish | LILACS, LIVECS | ID: biblio-1417016
RESUMEN
Evaluación del Índice Peso-Circunferencia de Cintura (IPCC) mediante Regresión Logística. Estudio descriptivo, prospectivo y transversal, muestra 1095 adultos y adultos mayores, edad entre 20 y 96 años.

Métodos:

variables edad, peso, talla, Circunferencia de Cintura (CC), IMC, Índice Cintura-Talla (ICT).

Resultados:

IMC similar en los dos sexos; promedios de CC e ICT mayor en grupo ≥ 65 años; IPCC mayor en grupo 20-59 años; porcentaje de riesgo del IPCC(54,1%) mayor en CC (44,7%) menor en ICT (78,2%). IPCC significativamente asociado al IMC, CC e ICT (p<0,000); valor predictivo positivo 0,92 y valor predictivo negativo 0,70, indican capacidad discriminativa; Riesgo Relativo, 1,92; el estadístico de prueba Wald indica significancia estadística para los coeficientes de ecuaciones de probabilidad de riesgo; área bajo la curva ROC es 0,803 y 0,903 (P<0,000), alta sensibilidad y especificidad.

Conclusión:

el IPCC puede considerarse para evaluar sobrepeso y obesidad en adultos, dada su alta capacidad discriminativa(AU)
ABSTRACT
Evaluation of the Waist Weight-CircumferenceIndex (WWCI) using Logistic Regression. Descriptive, prospective and cross-sectional study shows 1095 adults andolder adults, aged between 20 and 96 years.

Methods:

variables age, weight, size, Waist Circumference (WC), BMI, Waist-SizeIndex (WSI).

Results:

Similar BMI in both sexes; higher WCand WSI averages in a ≥ age of 65; major WWCI in group20-59 years; WWCI risk rate (54.1%) higher in WC (44.7%)WSI (78.2%). WWSI significantly associated with BMI, WCand WSI (p<0.000); positive predictive value 0.92 and negative predictive value 0.70, indicate discriminatory capacity; RelativeRisk, 1.92; Wald test statistic indicates statistical significance for the coefficients of risk probability equations; area under theROC curve is 0.803 and 0.903 (P<0.000), high sensitivity and specificity.

Conclusion:

WWCI can be considered to evaluate overweight and obesity in adults, given its high discriminatory capacity(AU)

Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Body Weights and Measures / Body Mass Index / ROC Curve / Indicators and Reagents Type of study: Etiology study / Evaluation studies / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: Spanish Journal: Revista Digital de Postgrado Journal subject: Biomim‚tica / Medicina Year: 2022 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Universidad Central de Venezuela/VE

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Full text: Available Index: LILACS (Americas) Main subject: Body Weights and Measures / Body Mass Index / ROC Curve / Indicators and Reagents Type of study: Etiology study / Evaluation studies / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: Spanish Journal: Revista Digital de Postgrado Journal subject: Biomim‚tica / Medicina Year: 2022 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Universidad Central de Venezuela/VE