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This webpage currently exists only for the purposes of the peer review of the HTA monograph for the Arthroplasty Candidacy Help Engine (the ACHE Tool)

If you are conducting peer review of the HTA monograph, please click here to access the variance-covariance matrices.

The information on this webpage or in the associated spreadsheet should not be used for any purpose other than peer-review of the ACHE monograph and associated publications.

The matrices and the mapping algorithms will be made publicly available once the ACHE project is published.