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Example 3.4 Protocol PRESSURE (2000) Part Section 2: Pressure‐relieving support surfaces: a randomised evaluation 2. RESEARCH OBJECTIVES 2.1 Primary objective

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To determine whether there are differences between alternating pressure overlays and alternating pressure replacement mattresses with respect to:

1 The development of new pressure sores

2 Healing of existing pressure sores

3 Patient acceptability of the surfaces

4 The cost‐effectiveness of the different pressure‐relieving surfaces.

Randomised Clinical Trials

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