{"id":14084,"date":"2018-03-09T09:00:38","date_gmt":"2018-03-09T09:00:38","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-composicion-corporal-en-ninos-y-adolescentes-sanos-e-hipercolesterolemicos-validacion-de-modelos-basados-en-el-analisis-de-la-impedancia-bioelectrica-y-la-antropometria\/"},"modified":"2018-03-09T09:00:38","modified_gmt":"2018-03-09T09:00:38","slug":"estudio-de-la-composicion-corporal-en-ninos-y-adolescentes-sanos-e-hipercolesterolemicos-validacion-de-modelos-basados-en-el-analisis-de-la-impedancia-bioelectrica-y-la-antropometria","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-la-composicion-corporal-en-ninos-y-adolescentes-sanos-e-hipercolesterolemicos-validacion-de-modelos-basados-en-el-analisis-de-la-impedancia-bioelectrica-y-la-antropometria\/","title":{"rendered":"Estudio de la composici\u00f3n corporal en ni\u00f1os y adolescentes sanos e hipercolesterol\u00e9micos: validaci\u00f3n de modelos basados en el an\u00e1lisis de la impedancia bioel\u00e9ctrica y la antropometr\u00eda"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ruiz L\u00e1zaro Patricio Jos\u00e9 <\/strong><\/h2>\n<p>A 152 ni\u00f1os y adolescentes, 80 sanos y 72 hipercolesterol\u00e9micos, se les realiz\u00f3 mediciones corporales mediante antropometr\u00eda y an\u00e1lisis de la impedancia bioel\u00e9ctrica, se les determin\u00f3 la presi\u00f3n arterial y se les cuantific\u00f3 la masa libre de grasa por hidrodensitometr\u00eda (mlghd).  los valores de masa libre de grasa, cuantificada por hidrodensitometr\u00eda, de los ni\u00f1os y adolescentes sanos no difirieron de los hallados en hipercolesterol\u00e9micos, sin embargo \u00e9stos parec\u00edan tender a acumular grasa en abdomen (mayor per\u00edmetro abdominal e \u00edndice cintura\/cadera) y regi\u00f3n del b\u00edceps (mayor pliegue del b\u00edceps y masa grasa del brazo), a pesar de no ser mayor su adiposidad total y ser menor su ponderosidad; presentaban, adem\u00e1s, una presi\u00f3n arterial diast\u00f3lica m\u00e1s alta que el grupo de ni\u00f1os y adolescentes sanos.  tras dejar excluidos aleatoriamente 30 casos, se obtuvo en el subgrupo restante de 121 ni\u00f1os y adolescentes modelos de regresi\u00f3n lineal con variables antropom\u00e9trica y biol\u00e9ctricas para predecir los valores de la masa libre de grasa calculados mediante hidrodensitometr\u00eda. Se utiliz\u00f3 para ello el programa estad\u00edstico bmdp, eligi\u00e9ndose las ecuaciones que produjeran el m\u00e1ximo valor de coeficiente de determinaci\u00f3n (r2) con el menor valor de cp de mallows. Se midi\u00f3 el grado de acuerdo entre los valores de mlghd y los calculados con los modelso predictivos obtenidos mediante el coeficiente de correlaci\u00f3n intraclases (cci) y el m\u00e9todo de bland y altman, y se valid\u00f3 la capacidad predictiva de estos modelos en el subgrupo de 30 casos.  entre las ecuaciones obtenidas, las dos mejores fueron; mlghd=5,188919 + 0,648827 x peso &#8211; 0,022361 x longitud del brazo &#8211; 0,156947 x pliegue del tr\u00edceps &#8211; 57,164474 x \u00edndice resistencia del tronco\/resistencia del cuerpo + 0,359192 x \u00edndice altura2\/resistencia total del cuerpo + 0,066646 x resistencia del tronco, con un r2=0,99 y un error est\u00e1ndar de la estimaci\u00f3n (eee)= 1,17 kg,<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la composici\u00f3n corporal en ni\u00f1os y adolescentes sanos e hipercolesterol\u00e9micos: validaci\u00f3n de modelos basados en el an\u00e1lisis de la impedancia bioel\u00e9ctrica y la antropometr\u00eda<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la composici\u00f3n corporal en ni\u00f1os y adolescentes sanos e hipercolesterol\u00e9micos: validaci\u00f3n de modelos basados en el an\u00e1lisis de la impedancia bioel\u00e9ctrica y la antropometr\u00eda <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ruiz L\u00e1zaro Patricio Jos\u00e9 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/11\/2001<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Antonio Sarria Chueca<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Bueno sanchez <\/li>\n<li>pilar Morellon bernad (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Perez gonzalez (vocal)<\/li>\n<li>Manuel Hern\u00e1ndez rodr\u00edguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ruiz L\u00e1zaro Patricio Jos\u00e9 A 152 ni\u00f1os y adolescentes, 80 sanos y 72 hipercolesterol\u00e9micos, se les realiz\u00f3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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