Validity, Reliability and Diagnostic accuracy of the Respiratory Distress Observation Scale for assessment of dyspnea in adult palliative care patients

The prevalence and severity of dyspnea increases at the end of life. Many of these patients have difficulty in reporting their symptoms. Accurate surrogate measures are needed for appropriate assessment and treatment. The Respiratory Distress Observation Scale (RDOS) is proposed as a possible scale although more external validation is needed. We set out to validate the RDOS in the context of palliative care patients near the end of life.

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