The role of support surfaces and patient attributes in preventing pressure ulcers in elderly patients

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Abstract
Nurses caring for elderly patients often need to select support surfaces that reduce the likelihood of pressure ulcers, but there is little information about the effectiveness of different support surfaces. This randomized trial compared two support surfaces and investigated patient attributes related to the risk of developing a pressure ulcer. Eighty‐four elderly patients were nursed on a convoluted or solid foam overlay and assessed three times a week for pressure ulcers. Stepwise Cox proportional hazards regression revealed a statistically significant relationship between the risk of developing a pressure ulcer and the variables mobility and type of support surface. © 1993 John Wiley & Sons, Inc.