Psychometric Assessment of the Nursing Outcome Swallowing Status: Rasch Model Approach

Abstract

PURPOSE To apply the Rasch model to test the psychometric assessment of the nursing outcome Swallowing status among poststroke patients. METHODS Cross‐sectional study was conducted with 227 poststroke patients, which were evaluated by a nurse. The Rasch model was used to examine psychometric properties. FINDINGS Indicators fit the Rasch model and presented good reliability and good ability for separation index. The 5‐point Likert scale did not present adequate discrimination and classification levels were compiled into three. CONCLUSIONS Data evidenced the use of a robust method to perform a clinical validity of the Swallowing status, complementing previous validation studies. RELEVANCE TO CLINICAL PRACTICE Using Rasch analysis serve as reference points to assess Swallowing status on a single scale. OBJETIVO Aplicar o modelo Rasch para testar as medidas psicométricas do resultado de enfermagem Estado da deglutição em pacientes acometidos por acidente vascular cerebral. MÉTODOS Estudo transversal, realizado com 227 pacientes após AVC avaliados por um único enfermeiro. O modelo Rasch foi usado para examinar propriedades psicométricas. RESULTADOS Os indicadores se ajustaram ao modelo Rasch e apresentam boa confiabilidade e boa capacidade de separação. A escala Likert de 5 pontos não apresentou discriminação adequada e os níveis de classificação foram compilados em três pontos. CONCLUSÃO Os dados evidenciaram o uso de um método robusto para a validade clínica do Estado da deglutição, complementando os estudos de validação anteriores. RELEVÂNCIA PARA A PRÁTICA CLÍNICA O uso do modelo Rasch serve como ponto de referência para avaliar o Estado da deglutição em uma única escala.

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