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. 2021 May;10(5):2148–2162. doi: 10.21037/tlcr-21-214

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2021 Translational Lung Cancer Research. 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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Risk factors of the clinical outcomes in the multivariate Cox proportional hazards regression model. (A) Forest plots present hazard ratios for OS of patients diagnosed with advanced-stage lung cancer. (B) Forest plots present hazard ratios for PFS of patients diagnosed with advanced-stage lung cancer. PS, performance status; CI, confidence interval; HR, hazard ratio; OS, overall survival; PFS, progression-free survival.