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Table 2 Prediction performance of the optimal models for the United Kingdom, France, and Germany and results of the tenfold cross-validation

From: Predicting EQ-5D-5L crosswalk from the PROMIS-29 profile for the United Kingdom, France, and Germany

  nRMSE Mean nRMSE (CV) SD nRMSE (CV) nMAE Mean nMAE (CV) SD nMAE (CV) 95% theoretical LoA 95% empirical LoA
UK 0.076 0.077 0.0083 0.053 0.054 0.0046  ± 0.25  − 0.20; 0.17
France 0.075 0.076 0.0062 0.052 0.053 0.0041  ± 0.23  − 0.19; 0.17
Germany 0.079 0.080 0.0096 0.051 0.051 0.0037  ± 0.19  − 0.16; 0.13
  1. nRMSE normalized root mean square error, nMAE normalized mean absolute error, LoA levels of agreement, CV cross-validation, SD standard deviation, UK United Kingdom
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