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BMJ. 2006 Jun 17;332(7555):1416. Epub 2006 Jun 1.

Pressure relieving support surfaces (PRESSURE) trial: cost effectiveness analysis.

Author information

  • 1Department of Health Sciences, University of York, York YO10 5DD.

Erratum in

  • BMJ. 2006 Aug 12;333(7563):339.

Abstract

OBJECTIVE:

To assess the cost effectiveness of alternating pressure mattresses compared with alternating pressure overlays for the prevention of pressure ulcers in patients admitted to hospital.

DESIGN:

Cost effectiveness analysis carried out alongside the pressure relieving support surfaces (PRESSURE) trial; a multicentre UK based pragmatic randomised controlled trial.

SETTING:

11 hospitals in six UK NHS trusts.

PARTICIPANTS:

Intention to treat population comprising 1971 participants.

MAIN OUTCOME MEASURES:

Kaplan Meier estimates of restricted mean time to development of pressure ulcers and total costs for treatment in hospital.

RESULTS:

Alternating pressure mattresses were associated with lower overall costs (283.6 pounds sterling per patient on average, 95% confidence interval--377.59 pounds sterling to 976.79 pounds sterling) mainly due to reduced length of stay in hospital, and greater benefits (a delay in time to ulceration of 10.64 days on average,--24.40 to 3.09). The differences in health benefits and total costs for hospital stay between alternating pressure mattresses and alternating pressure overlays were not statistically significant; however, a cost effectiveness acceptability curve indicated that on average alternating pressure mattresses compared with alternating pressure overlays were associated with an 80% probability of being cost saving.

CONCLUSION:

Alternating pressure mattresses for the prevention of pressure ulcers are more likely to be cost effective and are more acceptable to patients than alternating pressure overlays.

Comment in

PMID:
16740528
[PubMed - indexed for MEDLINE]
PMCID:
PMC1479635
Free PMC Article

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