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Evaluation of mattresses using interface pressure mapping
D Bain1, M Ferguson-Pell, A McLeod
1Centre for Disability Research and Innovation, University College London, UK. d.bain@ucl.ac.uk
Objective:
To compare the ranking of mattresses using several different performance indices, calculated from interface pressure-mapping data.
Method:
Five mattresses were compared using interface pressure-mapping on 10 healthy volunteers. Mattresses were ranked in order, on the basis of several different specified performance indices.
Results:
Different performance indices ranked the mattresses in different orders.
Conclusion:
Elaborate performance indices should be used with care, since it is possible to construct a 'tailor-made' performance index to make any chosen mattress rank as the best. Care should be taken to ensure that a performance index is validated, preferably by some demonstrated link to clinical outcomes.
