Investigating the Reliability and Validity of the Waterlow Risk Assessment Scale: A Literature Review Clinical Nursing Research
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Walsh, B.,Dempsey, L. (2011) 'Investigating the Reliability and Validity of the Waterlow Risk Assessment Scale: A Literature Review Clinical Nursing Research'. Clinical Nursing Research, 20 (2):197-208.
The aim of this review was to examine health literature on the reliability and validity of the Waterlow pressure sore assessment scale. A systematic review of published studies relating to the topic was conducted and literature was examined for its relevancy to the topic under investigation. Findings suggest that despite the availability of over 40 assessment tools, the Waterlow assessment scale is the most frequently used by health care staff. Research suggests that the Waterlow Scale is an unreliable method of assessing individuals at risk of pressure sore development with all studies indicating a poor interrater reliability status. Its validity has also been criticized because of its high-sensitivity but low-specificity levels.