<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0874-0283</journal-id>
<journal-title><![CDATA[Revista de Enfermagem Referência]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Enf. Ref.]]></abbrev-journal-title>
<issn>0874-0283</issn>
<publisher>
<publisher-name><![CDATA[Escola Superior de Enfermagem de Coimbra - Unidade de Investigação em Ciências da Saúde - Enfermagem]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0874-02832023000100256</article-id>
<article-id pub-id-type="doi">10.12707/rvi23.59.31143</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Melhorando a exatidão: O ponto de corte ideal do Questionário de Avaliação da Sobrecarga do Cuidador Informal]]></article-title>
<article-title xml:lang="en"><![CDATA[Enhancing accuracy: The optimal cutoff point of the Informal Caregiver Burden Assessment Questionnaire]]></article-title>
<article-title xml:lang="es"><![CDATA[Mejorar la precisión: Punto de corte ideal para el Cuestionario de Evaluación de la Sobrecarga del Cuidador Informal]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[França]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peixoto]]></surname>
<given-names><![CDATA[Maria José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Araújo]]></surname>
<given-names><![CDATA[Fátima]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigação em Tecnologias e Serviços de Saúde Innovation &amp; Development in Nursing ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Rede de Investigação em Saúde  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Escola Superior de Saúde de Santa Maria  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Escola Superior de Enfermagem do Porto  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>serVI</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0874-02832023000100256&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0874-02832023000100256&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0874-02832023000100256&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Enquadramento:  O ponto de corte de um instrumento constitui uma referência clínica de grande valor.  Objetivo:  Estudar o ponto de corte ideal do Questionário de Avaliação da Sobrecarga do Cuidador Informal (QASCI).  Metodologia:  Realizou-se um estudo metodológico transversal com recurso à análise secundária de dados. A validade preditiva do instrumento foi avaliada através da medição da sensibilidade e especificidade, dos valores preditivos positivos e negativos e do índice da área abaixo da curva (AUC) ROC. Foram utilizadas as versões portuguesas do Medical Outcomes Study 36-Item Short Form Survey Instrument e da Hospital Anxiety and Depression Scale.  Resultados:  Os cuidadores revelaram níveis elevados de ansiedade e depressão. O ponto de corte 40 obteve o índice de Youden mais elevado (0,59), indicando que o modelo analisado possui uma exatidão de 84% na previsão de transtornos de ansiedade e depressão. O modelo demonstrou ainda possuir uma sensibilidade de 78% e uma especificidade de 81%.  Conclusão:  O presente estudo comprova que o QASCI identifica eficazmente os cuidadores em risco de desenvolver transtornos de ansiedade e depressão e pode servir de base a intervenções destinadas a melhorar a sua saúde mental.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  The cutoff point of an instrument is a valuable clinical reference.  Objective:  To study the cutoff point of the Informal Caregiver Burden Assessment Questionnaire (QASCI).  Methodology:  A methodological cross&#8208;sectional study was conducted using secondary data analysis. The predictive validity of the instrument was assessed by measuring sensitivity and specificity, positive and negative predictive values, and the area under the ROC curve (AUC). The Portuguese versions of the Medical Outcomes Study 36-Item Short Form Survey Instrument (MOS SF36) and the Hospital Anxiety and Depression Scale (HADS) were used.  Results:  Caregivers exhibited elevated levels of anxiety and depression. The cutoff point 40 yielded the highest Youden Index score (0.59), indicating that the model has an 84% accuracy for predicting anxiety and depression disorders. In addition, the model demonstrated a sensitivity of 78% and a specificity of 81%.  Conclusion:  This study demonstrates that the QASCI effectively identifies caregivers at risk of anxiety and depression disorders and can inform interventions to enhance their mental health.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Marco contextual:  El punto de corte de un instrumento es una referencia valiosa en la práctica clínica.  Objetivo:  Estudiar el punto de corte del Cuestionario de Evaluación de la Sobrecarga del Cuidador Informal (QASCI).  Metodología:  Se realizó un estudio metodológico transversal con análisis secundario de datos. La validez predictiva se evaluó mediante la sensibilidad y la especificidad, los valores predictivos positivo y negativo, y el área ROC con la curva (AUC). Se utilizaron la escala de calidad de vida SF36 y la Escala Hospitalaria de Ansiedad y Depresión.  Resultados:  Los cuidadores presentan puntuaciones elevadas de ansiedad y depresión. El Índice de Youden máximo (0,59) proporcionó un punto de corte de 40, lo que confirmó que la predicción de los trastornos de ansiedad y depresión mediante este modelo tenía una precisión del 84%. Además, el modelo mostró una sensibilidad del 78% y una especificidad del 81%.  Conclusión:  Los resultados de este estudio sugieren que el QASCI es una herramienta valiosa para identificar a los cuidadores en riesgo de trastorno de ansiedad y depresión, y puede orientar las intervenciones para mejorar su salud mental.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[cuidadores]]></kwd>
<kwd lng="pt"><![CDATA[família]]></kwd>
<kwd lng="pt"><![CDATA[estudos de validação]]></kwd>
<kwd lng="pt"><![CDATA[psicométricos]]></kwd>
<kwd lng="en"><![CDATA[caregivers]]></kwd>
<kwd lng="en"><![CDATA[family]]></kwd>
<kwd lng="en"><![CDATA[validation studies]]></kwd>
<kwd lng="en"><![CDATA[psychometrics]]></kwd>
<kwd lng="es"><![CDATA[cuidadores]]></kwd>
<kwd lng="es"><![CDATA[familia]]></kwd>
<kwd lng="es"><![CDATA[estudios de validación]]></kwd>
<kwd lng="es"><![CDATA[psicométricos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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