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. 2023 Sep 20;11(9):e007492. doi: 10.1136/jitc-2023-007492

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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See http://creativecommons.org/licenses/by-nc/4.0/.

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Kaplan-Meier analysis in the cohorts. (A–C) K-M curves of PFS in (A) the training set, (B) validation set 1 and (C) validation set 2 stratified as low-progression-risk and high-progression-risk using the integrated model. (D–F) K-M curves of OS in (D) all patients, (E) training set and (F) validation set stratified as low-progression-risk and high-progression-risk using the integrated model. K-M, Kaplan-Meier; mOS, median OS; mPFS, median PFS; OS, overall survival; PFS, progression-free survival.