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. 2021 May 4;11:596364. doi: 10.3389/fonc.2021.596364

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Copyright © 2021 Kim, Lee, Yu, Park, Lee, Lee, Lee, Kim, Nam, Park, Ahn, Kang and Im.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Performance of the final model in terms of model error (predicted–observed) over each of the 2/5/7 years. Patients were grouped by breast cancer features. (A) Pathologic T stage. (B) Pathologic N stage. (C) ER/PR/HER2 status. (D) EGFR status. (E) CK56 status. For model specificity and accuracy, Median Absolute Error (MAE) and weighted Mean Absolute Error (wMAE) were calculated at each group or bin. Solid lines indicate observed recurrence proportion, and dashed lines indicate predicted recurrence proportion.