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. 2021 Jan 6;21:8. doi: 10.1186/s12911-020-01377-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 3 — Comparison of actual and predicted rankings for adult donor match run with median Kendall’s Tau. This scatterplot (for one particular adult donor match run) shows that candidate rankings under a composite-score based approach are generally highly correlated with those under current policy. However, the figure also reveals important ways in which the score-based approach rank orders patients differently than current policy by eliminating hard boundaries. Four candidate profiles are shown to illustrate salient differences in rankings: Candidate W: LAS (36), distance (201.1), ABO(O), Adult. Candidate X: LAS (32), distance (222.9), ABO(A), Adult. Candidate Y: LAS (86), distance (275.7), ABO(O), Adult. Candidate Z: LAS (74), distance (528.6), ABO(O), Adult. Image created by Dallas Wood using Stata Version 16