Objective: To systematize the available evidence on the predictive capacity of the valuation scales in the prevention of pressure ulcers in adults Material and method: Systematic observational and retrospective review, which synthesizes the results of multiple primary investigations. Essentials of evidence-based nursing for its rigorous methodology, identify relevant studies to answer specific clinical practice questions, search I consider full-text articles, and selected articles had a critical reading, using the grade system to assign the recommendation force. Results: In the definitive selection of articles of predictive capacity of assessment scales in the prevention of pressure ulcers in adults was the scale Braden had sensitivity: 41-100%, specificity: 21-92%, positive predictive value: 19-31 %, negative predictive value: 90-97%. Conclusions: 100% (13) of articles determined the pr...

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