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A psychometric assessment of the St. George’s respiratory questionnaire in patients with COPD using rasch model analysis
BACKGROUND: The St. George’s Respiratory Questionnaire (SGRQ) was a widely used tool to assess disease impact on patients with obstructive airways disease. Although traditional methods have generally supported construct validity and internal consistency reliability of SGRQ, such methods cannot facil...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4545987/ https://www.ncbi.nlm.nih.gov/pubmed/26290330 http://dx.doi.org/10.1186/s12955-015-0320-7 |