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Example 3.14 Protocol PRESSURE (2000) Section 7.2: Pressure‐relieving support surfaces: a randomised evaluation 7.2 Mattress Allocation Method

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Allocation to treatment will be by minimisation and with respect to the factors listed in Table 4.

Table 4 Minimisation factors

Factor Levels
Centre × 8 As Section 6a
Skin condition × 2 No pressure sore
Existing pressure sore
Ward specialty × 3 Vascular
Orthopaedic
Elderly care
Admission type × 2 Acute
Elective

a Section 6 of the protocol named the eight participating centres.

Randomised Clinical Trials

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