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. 2022 Nov;14(11):4285–4296. doi: 10.21037/jtd-22-890

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2022 Journal of Thoracic Disease. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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The cut-off value of the risk points counted by X-tile and Kaplan-Meier survival curves for OS in the training cohort. (points ≤106.0 were the low-risk group; points >106.0 were the high-risk group; P<0.001). OS, overall survival.