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Validation of "cancer dyspnea scale" in patients with advanced cancer in a palliative care setting in India
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CONTEXT: Assessment of dyspnea in patients with advanced cancer is challenging. Cancer Dyspnea Scale (CDS) is a multidimensional scale developed for measurement of dyspnea. It is available only in Japanese, English and Swedish and has not been validated before in the Indian languages.
OBJECTIVE: To describe the process of validation and reliability testing of CDS in Indian advanced cancer patients.
METHODS: This is a prospective observational study conducted in the palliative care clinic of a tertiary cancer center in Mumbai. The English version of CDS was translated into Indian languages- Hindi (CDS-H) and Marathi (CDS-M). 120 newly registered eligible patients (60 for CDS-H and 60 for CDS-M) were enrolled into the study consecutively. They were asked to fill CDS (translated version) and Visual Analogue Scale for dyspnea. Only baseline measures were used.
RESULTS: Validity was separately analyzed for CDS-H and CDS-M. The results showed good construct validity between CDS-H and CDS-M. Inter-subscale correlation was done by calculating the Pearson's correlation co-efficient (mean r= .64 and .764 for CDS-H and CDS-M respectively). Convergent validity was calculated by computing the correlation of each factor with VAS-D scores and was found statistically significant (p<.001; average r ranging from .706 to .714). Reliability of the scale was determined by its internal consistency (Cronbach's Alpha co-efficient ranging from .716 to .879).
CONCLUSION: This study demonstrates that CDS-H and CDS-M are valid and reliable multidimensional scales; which can be used to assess dyspnea in patients with advanced cancer.
http://dx.doi.org/10.1016/j.jpainsymman.2017.06.004
Voir la revue «JOURNAL OF PAIN AND SYMPTOM MANAGEMENT, 54»
Autres numéros de la revue «JOURNAL OF PAIN AND SYMPTOM MANAGEMENT»
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