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Variance-covariance matrices for 5 mapping models predicting EQ-5D utility from Oxford Knee Score (OKS), Oxford Hip Score (OHS), WOMAC or SF-12, developed as part of the ACHE study.

This spreadsheet gives the variance-covariance matrices for five mapping models predicting EQ-5D utility as a function of Oxford Knee Score (OKS), Oxford Hip Score (OHS), WOMAC or SF-12.

The mapping algorithms presented here have been published in the HTA monograph.

Price A, Smith J, Dakin H, Kang S, Eibich P, Cook J,  et al. The Arthroplasty Candidacy Help Engine tool to select candidates for hip and knee replacement surgery: development and economic modelling. Health Technol Assess 2019;23(32)

Price A, Smith J, Dakin H, Kang S, Eibich P, Cook J,  et al. The Arthroplasty Candidacy Help Engine tool to select candidates for hip and knee replacement surgery: development and economic modelling. Health Technol Assess 2019;23(32) https://doi.org/10.3310/hta23320

The methods of the mapping study are available at https://www.journalslibrary.nihr.ac.uk/programmes/hta/116301/#/documentation