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Revista de Salud Pública

versión impresa ISSN 0124-0064

Resumen

MORAES MACEDO, Mauro; LINHARES, Renato Vidal  y  FILHO, José Fernandes. Equations for determining bone age and sexual maturation of children and adolescents. Rev. salud pública [online]. 2015, vol.17, n.2, pp.267-276. ISSN 0124-0064.  https://doi.org/10.15446/rsap.v17n2.36506.

Objective This study had objective develop and validate prediction equations bone age and an index of sexual maturity for children 9 to 14 years old male from the city of Rio de Janeiro. Methods The study included 400 children and adolescents and 300 subjects (75 %) had their results used to develop the equations and 100 subjects (25 %) for the validation of the same. Applied the method parametric regression Stepwise Correlation, being the independent variables consist of anthropometric measurements and taking decisions based on the SEE (Standard Error of Estimate) combined with regression rate (R) and determination (R2). Results The most significant predictor model, accounted for: Age Bone= 0,062 * Height(cm) + 0,426 * Id.Cronol. + 0,041 * MassaCorp.(Kg) - 0,390 * Diameter Femur. Secondly, it was taken as the dependent variable sexual maturation according to the criteria of Tanner (IMT), and in this context was added as an independent variable the bone age (IO), calculating the second predictor model under the same conditions of acceptability previously mentioned: Maturation Index Tuner (IMT) = 0,5423 * age estimated bone - 0,0374 * Height(cm) + 0,0388 * MassaCorp.(Kg). Conclusions The results obtained by non-invasive methods are a breakthrough in medical diagnostics for disease prevention, as well as equations with these objectives, a facilitator in guiding the selection and sports.

Palabras clave : Puberty; sexual maturation; anthropometry.

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