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    "titulo" => "Concordancia entre los valores de referencia para la espirometría recomendados por las sociedades neumológicas española y europea"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Los objetivos de este estudio han sido verificar si los valores de referencia &#40;VR&#41; para la espirometr&#237;a recomendados por la Sociedad Espa&#241;ola de Neumolog&#237;a y Cirug&#237;a Tor&#225;cica &#40;SEPAR&#41; y la European Respiratory Society &#40;ERS&#41; son equivalentes&#44; y si la interpretaci&#243;n de las espirometr&#237;as de acuerdo a estos VR permite obtener las mismas conclusiones&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se trata de un estudio retrospectivo de 3&#46;690 espirometr&#237;as &#40;2&#46;468 varones y 1&#46;222 mujeres&#44; de edades comprendidas entre 20-70 a&#241;os&#41;&#44; recogiendo FVC&#44; FEV<span class="elsevierStyleInf">1</span> y FEV<span class="elsevierStyleInf">1</span>&#47;FVC&#46; Se ha analizado la concordancia en dos vertientes&#44; cuantitativa &#40;diferencia entre los VR obtenidos por ambos conjuntos de ecuaciones de predicci&#243;n&#41; y cualitativa &#40;concordancia entre la clasificaci&#243;n de las espirometr&#237;as utilizando ambos conjuntos de VR&#44; por el m&#233;todo de los residuos estandarizados&#44; para FVC &#91;defecto ventilatorio no obstructivo&#93; y FEV<span class="elsevierStyleInf">1</span>&#47;FVC &#91;defecto ventilatorio obstructivo&#93;&#44; mediante el c&#225;lculo del estad&#237;stico &#954;&#41;&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">La diferencia entre el VR de FVC estimado por ambos conjuntos de ecuaciones es de -0&#44;544 1&#44; de -0&#44;185 1 para FEV<span class="elsevierStyleInf">1</span>&#44; y de 2&#44;36&#37; para FEV<span class="elsevierStyleInf">1</span>&#47;FVC&#46; En todos los casos los l&#237;mites de acuerdo no son aceptables&#44; y existe sesgo significativo&#46; Para la clasificaci&#243;n de los pacientes por FVC&#44; se obtiene un valor de &#954; del 50&#44;03&#37;&#44; y seg&#250;n FEV<span class="elsevierStyleInf">1</span>&#47;FVC &#954; &#61; 93&#44;66&#37;&#46; En ambos casos existe sesgo&#46;</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Los VR recomendados por la SEPAR no son equivalentes a los de la ERS&#46; Esto deber&#237;a ser considerado por los fabricantes y distribuidores de equipos de an&#225;lisis de funci&#243;n pulmonar&#44; quienes deber&#237;an posibilitar que cada laboratorio utilizara los valores de referencia m&#225;s adecuados a las caracter&#237;sticas del equipo utilizado y de la poblaci&#243;n estudiada&#46;</p></span>"
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        "resumen" => "<span id="abst0010" class="elsevierStyleSection elsevierViewall"><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">To determine whether spirometrie reference values &#40;RV&#41; recommended by the Spanish Society of Pneumology and Thoracic Surgery &#40;SEPAR&#41; and the European Respiratory Society &#40;ERS&#41; are equivalent&#44; and if the interpretation of these two RV leads to the same conclusions&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">A retrospective study of 3&#44;690 spirometrie readings &#40;from 2&#44;468 men and 1&#44;222 women&#44; ranging in age from 20 to 70 years old&#41; of FVC&#44; FEV<span class="elsevierStyleInf">1</span> and FEV<span class="elsevierStyleInf">1</span>&#47;FVC&#46; Both quantitative &#40;difference between RV obtained using the two sets of predictive equations&#41; and qualitative &#40;agreement of spirometrie classifications using the two RV systems&#44; by the method of standardized residuals&#44; for FVC &#91;non obstructive ventilatory defect&#93; and FEV<span class="elsevierStyleInf">1</span>&#47;FVC &#91;obstructive ventilatory defect&#93;&#44; by calculating the &#954; value&#41;&#46;</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">The difference in RV estimated by the two sets of equations is -0&#46;544 1 for FVC&#44; -0&#46;185 1 for FEV<span class="elsevierStyleInf">1</span> and 2&#46;36&#37; for FEV<span class="elsevierStyleInf">1</span>&#47;FVC&#46; In each case the agreement limits are not acceptable and bias is significant&#46; Classifying patients by FVC&#44; &#954; was 50&#46;03&#37;&#46; Classifying by FEV<span class="elsevierStyleInf">1</span>&#47;FVC&#44; &#954; was 93&#46;66&#37;&#46; Bias is present for both parameters&#46;</p><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">The RV of SEPAR and ERS are not equivalent and this should be taken into consideration by manufacturers and distributors of equipment for lung function analysis&#46; Each laboratory should be able to apply the RV most appropriate to the characteristics of the equipment used and the population studied&#46;</p></span>"
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Vol. 32. Issue 9.
Pages 459-462 (November 1996)
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Vol. 32. Issue 9.
Pages 459-462 (November 1996)
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Concordancia entre los valores de referencia para la espirometría recomendados por las sociedades neumológicas española y europea
Agreement between European and Spanish spirometric reference values
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A. Díez Herranz*
Unidad de Neumología. Gabinete Médico Paracelso. Valladolid
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Abstract
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Statistics

Los objetivos de este estudio han sido verificar si los valores de referencia (VR) para la espirometría recomendados por la Sociedad Española de Neumología y Cirugía Torácica (SEPAR) y la European Respiratory Society (ERS) son equivalentes, y si la interpretación de las espirometrías de acuerdo a estos VR permite obtener las mismas conclusiones.

Se trata de un estudio retrospectivo de 3.690 espirometrías (2.468 varones y 1.222 mujeres, de edades comprendidas entre 20-70 años), recogiendo FVC, FEV1 y FEV1/FVC. Se ha analizado la concordancia en dos vertientes, cuantitativa (diferencia entre los VR obtenidos por ambos conjuntos de ecuaciones de predicción) y cualitativa (concordancia entre la clasificación de las espirometrías utilizando ambos conjuntos de VR, por el método de los residuos estandarizados, para FVC [defecto ventilatorio no obstructivo] y FEV1/FVC [defecto ventilatorio obstructivo], mediante el cálculo del estadístico κ).

La diferencia entre el VR de FVC estimado por ambos conjuntos de ecuaciones es de -0,544 1, de -0,185 1 para FEV1, y de 2,36% para FEV1/FVC. En todos los casos los límites de acuerdo no son aceptables, y existe sesgo significativo. Para la clasificación de los pacientes por FVC, se obtiene un valor de κ del 50,03%, y según FEV1/FVC κ = 93,66%. En ambos casos existe sesgo.

Los VR recomendados por la SEPAR no son equivalentes a los de la ERS. Esto debería ser considerado por los fabricantes y distribuidores de equipos de análisis de función pulmonar, quienes deberían posibilitar que cada laboratorio utilizara los valores de referencia más adecuados a las características del equipo utilizado y de la población estudiada.

Palabras clave:
Espirometría
Valores de referencia
Ecuaciones de predicción

To determine whether spirometrie reference values (RV) recommended by the Spanish Society of Pneumology and Thoracic Surgery (SEPAR) and the European Respiratory Society (ERS) are equivalent, and if the interpretation of these two RV leads to the same conclusions.

A retrospective study of 3,690 spirometrie readings (from 2,468 men and 1,222 women, ranging in age from 20 to 70 years old) of FVC, FEV1 and FEV1/FVC. Both quantitative (difference between RV obtained using the two sets of predictive equations) and qualitative (agreement of spirometrie classifications using the two RV systems, by the method of standardized residuals, for FVC [non obstructive ventilatory defect] and FEV1/FVC [obstructive ventilatory defect], by calculating the κ value).

The difference in RV estimated by the two sets of equations is -0.544 1 for FVC, -0.185 1 for FEV1 and 2.36% for FEV1/FVC. In each case the agreement limits are not acceptable and bias is significant. Classifying patients by FVC, κ was 50.03%. Classifying by FEV1/FVC, κ was 93.66%. Bias is present for both parameters.

The RV of SEPAR and ERS are not equivalent and this should be taken into consideration by manufacturers and distributors of equipment for lung function analysis. Each laboratory should be able to apply the RV most appropriate to the characteristics of the equipment used and the population studied.

Key words:
Spirometry
Reference values
Predictive equations
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Copyright © 1996. Sociedad Española de Neumología y Cirugía Torácica
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