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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> Establecer las posibles diferencias entre tres modelos de medidor&#44; incluyendo por vez primera el PF-Control&#59; <span class="elsevierStyleItalic">b&#41;</span> determinar el normograma del pico de flujo espiratorio &#40;PEF&#41; para cada modelo de medidor&#44; en funci&#243;n de la edad&#44; talla&#44; per&#237;metro tor&#225;cico inspiratorio y espiratorio&#59; <span class="elsevierStyleItalic">c&#41;</span> establecer las posibles diferencias en raz&#243;n del sexo&#44; y <span class="elsevierStyleItalic">d&#41;</span> estudiar la correlaci&#243;n matem&#225;tica entre los resultados obtenidos con los distintos modelos de medidor&#46;</p> <span class="elsevierStyleSectionTitle">M&#233;todos</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se midi&#243; el PEF en una muestra de 476 escolares&#44; de edades comprendidas entre 4 y 15 a&#241;os &#40;233 varones y 243 mujeres&#41;&#44; con una media de 9&#44;3 a&#241;os&#46; La talla menor fue 96&#44;8 cm y la mayor 178&#44;8 cm&#44; con una media de 137&#44;95 cm&#46; Se consider&#243; como valor de PEF al mejor de tres intentos&#44; con una diferencia menor del 10&#37; entre ellos&#46; Se utilizaron 3 aparatos de cada modelo &#40;Vitalograph&#44; Mini- Wright&#44; PF-Control&#41;&#46; Su uso fue siempre rotatorio&#44; y el horario de 15 a 17 horas&#44; en el propio centro escolar&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Existen diferencias significativas en raz&#243;n del modelo de medidor&#46; La variable que mejor se ajusta al PEF es la talla&#44; con una r &#61; 0&#44;90-0&#44;92 &#40;seg&#250;n el modelo considerado&#41; para el modelo exponencial&#46; El factor sexo establece diferencias significativas en los valores del PEF&#44; con los tres modelos de medidor&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> La variable que mejor expresa los resultados del PEF es la talla&#59; <span class="elsevierStyleItalic">b&#41;</span> los valores del PEF de varones y mujeres son distintos&#44; con significaci&#243;n estad&#237;stica&#59; <span class="elsevierStyleItalic">c&#41;</span> existen diferencias significativas en raz&#243;n del modelo de medidor utilizado&#59; <span class="elsevierStyleItalic">d&#41;</span> la monitorizaci&#243;n del PEF en un sujeto determinado debe hacerse con el mismo modelo de medidor&#44; y <span class="elsevierStyleItalic">e&#41;</span> el modelo de regresi&#243;n exponencial consigue un major ajuste&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objectives</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> To establish the possible differences between three different models of PEF-meter&#44; including PF-Control for the first time&#59; <span class="elsevierStyleItalic">b&#41;</span> to build a normogram for each of the three models&#44; as a function of different variables &#40;age&#44; height&#44; and inspiratory and espiratory thoracic circumference&#41;&#59; <span class="elsevierStyleItalic">c&#41;</span> to search for differences between both sexes&#44; and <span class="elsevierStyleItalic">d&#41;</span> to study the mathematical correlation between the results yielded by the different models&#46;</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">PEF was measured in a sample of 476 school-children&#44; in the range of 4 and 15 years &#40;233 boys&#44; 243 girls&#41;&#44; with a mean age of 9&#44;3 years and a height range between 96&#44;8 cm and 178&#44;8 cm &#40;mean 137&#44;9&#41;&#46; PEF value was recorded as the best of three attemps when the difference them was&#44; less than 10&#37;&#46; Three devices of each model were used &#40;Vitalograph&#44; Mini-Wright&#44; PF-Control&#41;&#46; The utilisation was always done in a rotatory fashion at school time &#40;15-17 hours&#41; in the children&#39;s school&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">We found significant differences between the three models &#40;p &#60; 0&#44;0004&#41;&#46; The best predictive variable for PEF is height&#44; with an r &#61; 0&#44;90-0&#44;92 &#40;depending on the model&#41; when the exponential model is considered&#46; Independently of the device&#44; there were significant differences between sexes&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> The variable that expresses PEF the better is height&#59; <span class="elsevierStyleItalic">b&#41;</span> PEF values are different between girls and boys&#59; <span class="elsevierStyleItalic">c&#41;</span> there were significant differences between the various models&#59; <span class="elsevierStyleItalic">d&#41;</span> Monitorization of a given child must be done with the same model of PEF-meter&#44; and <span class="elsevierStyleItalic">e&#41;</span> The best correlation is obtained with the exponential model&#44; although differences with the lineal model were not statistically significant&#46;</p>"
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Pico de flujo espiratorio en escolares de 4 a 15 años de edad. Comparación de tres modelos de medidor
Peak espiratory flow rate in school-children 4-15 years old. Comparison between three different devices
V. Hernando Sastrec, L. García-Marcosb,
Autor para correspondencia
Igmarcos@fcu.um.es

Correspondencia: Unidad de Investigación. Plza. San Agustín, 3. 30201 Cartagena.
, J. Gómez Garcíac, U. Faura Martínezc, J. Rubio Péreza, M.D. Navarro Ortiza, J.A. Hernández Dólerad
a Servicio de Pediatría. Unidad de Alergia Pediátrica. Clínica Virgen de la Vega. Murcia
b Unidad de Investigación de Cartagena y Unidad de Pediatría. Universidad de Murcia
c Departamento de Métodos Cuantitativos para la Economía. Facultad de Económicas. Universidad de Murcia
d Gerencia de Atención Primaria. SEDU-061. Murcia
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> Establecer las posibles diferencias entre tres modelos de medidor&#44; incluyendo por vez primera el PF-Control&#59; <span class="elsevierStyleItalic">b&#41;</span> determinar el normograma del pico de flujo espiratorio &#40;PEF&#41; para cada modelo de medidor&#44; en funci&#243;n de la edad&#44; talla&#44; per&#237;metro tor&#225;cico inspiratorio y espiratorio&#59; <span class="elsevierStyleItalic">c&#41;</span> establecer las posibles diferencias en raz&#243;n del sexo&#44; y <span class="elsevierStyleItalic">d&#41;</span> estudiar la correlaci&#243;n matem&#225;tica entre los resultados obtenidos con los distintos modelos de medidor&#46;</p> <span class="elsevierStyleSectionTitle">M&#233;todos</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se midi&#243; el PEF en una muestra de 476 escolares&#44; de edades comprendidas entre 4 y 15 a&#241;os &#40;233 varones y 243 mujeres&#41;&#44; con una media de 9&#44;3 a&#241;os&#46; La talla menor fue 96&#44;8 cm y la mayor 178&#44;8 cm&#44; con una media de 137&#44;95 cm&#46; Se consider&#243; como valor de PEF al mejor de tres intentos&#44; con una diferencia menor del 10&#37; entre ellos&#46; Se utilizaron 3 aparatos de cada modelo &#40;Vitalograph&#44; Mini- Wright&#44; PF-Control&#41;&#46; Su uso fue siempre rotatorio&#44; y el horario de 15 a 17 horas&#44; en el propio centro escolar&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Existen diferencias significativas en raz&#243;n del modelo de medidor&#46; La variable que mejor se ajusta al PEF es la talla&#44; con una r &#61; 0&#44;90-0&#44;92 &#40;seg&#250;n el modelo considerado&#41; para el modelo exponencial&#46; El factor sexo establece diferencias significativas en los valores del PEF&#44; con los tres modelos de medidor&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> La variable que mejor expresa los resultados del PEF es la talla&#59; <span class="elsevierStyleItalic">b&#41;</span> los valores del PEF de varones y mujeres son distintos&#44; con significaci&#243;n estad&#237;stica&#59; <span class="elsevierStyleItalic">c&#41;</span> existen diferencias significativas en raz&#243;n del modelo de medidor utilizado&#59; <span class="elsevierStyleItalic">d&#41;</span> la monitorizaci&#243;n del PEF en un sujeto determinado debe hacerse con el mismo modelo de medidor&#44; y <span class="elsevierStyleItalic">e&#41;</span> el modelo de regresi&#243;n exponencial consigue un major ajuste&#46;</p>"
      ]
      "en" => array:1 [
        "resumen" => "<span class="elsevierStyleSectionTitle">Objectives</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> To establish the possible differences between three different models of PEF-meter&#44; including PF-Control for the first time&#59; <span class="elsevierStyleItalic">b&#41;</span> to build a normogram for each of the three models&#44; as a function of different variables &#40;age&#44; height&#44; and inspiratory and espiratory thoracic circumference&#41;&#59; <span class="elsevierStyleItalic">c&#41;</span> to search for differences between both sexes&#44; and <span class="elsevierStyleItalic">d&#41;</span> to study the mathematical correlation between the results yielded by the different models&#46;</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">PEF was measured in a sample of 476 school-children&#44; in the range of 4 and 15 years &#40;233 boys&#44; 243 girls&#41;&#44; with a mean age of 9&#44;3 years and a height range between 96&#44;8 cm and 178&#44;8 cm &#40;mean 137&#44;9&#41;&#46; PEF value was recorded as the best of three attemps when the difference them was&#44; less than 10&#37;&#46; Three devices of each model were used &#40;Vitalograph&#44; Mini-Wright&#44; PF-Control&#41;&#46; The utilisation was always done in a rotatory fashion at school time &#40;15-17 hours&#41; in the children&#39;s school&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">We found significant differences between the three models &#40;p &#60; 0&#44;0004&#41;&#46; The best predictive variable for PEF is height&#44; with an r &#61; 0&#44;90-0&#44;92 &#40;depending on the model&#41; when the exponential model is considered&#46; Independently of the device&#44; there were significant differences between sexes&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">a&#41;</span> The variable that expresses PEF the better is height&#59; <span class="elsevierStyleItalic">b&#41;</span> PEF values are different between girls and boys&#59; <span class="elsevierStyleItalic">c&#41;</span> there were significant differences between the various models&#59; <span class="elsevierStyleItalic">d&#41;</span> Monitorization of a given child must be done with the same model of PEF-meter&#44; and <span class="elsevierStyleItalic">e&#41;</span> The best correlation is obtained with the exponential model&#44; although differences with the lineal model were not statistically significant&#46;</p>"
      ]
    ]
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                          "etal" => false
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                        0 => array:2 [
                          "etal" => false
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                      ]
                    ]
                  ]
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                ]
              ]
            ]
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                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "N&#46; Smidt"
                            1 => "J&#46; Vogel"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Pneumologie"
                        "fecha" => "1992"
                        "volumen" => "46"
                        "paginaInicial" => "330"
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                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            17 => array:3 [
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              "etiqueta" => "18&#46;"
              "referencia" => array:1 [
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                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "An evaluation of three commercially available peak flow meters"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:5 [
                            0 => "T&#46; Obata"
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ISSN: 16954033
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