Pressure Relieving Support Surfaces for Pressure Ulcer Prevention (PRESSURE 2): Clinical and Health Economic Results of a Randomised Controlled Trial.

In the treatment phase sensitivity analysis a marginally significant treatment effect in time to development of new PU Category ≥ 2 was observed indicating some evidence of a difference between mattress groups (adjusted Fine and Gray model HR (95%CI) of 0.76 (0.32 to 1.00), P = 0.0508), absolute difference 1.7% (APM 5.7%, HSF 7.4%). 3.2.

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