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. 2022 Feb 5;14(3):815. doi: 10.3390/cancers14030815

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Univariate analyses (Kaplan–Meier) and multivariate concordance index (C-index) analyses. PSA-PFS (A) and OS (B) Kaplan–Meier curve according to categorical KELIM. PSA-PFS (C) and OS (D) Kaplan–Meier curve according to categorical KPROD. C-index as a function of the time for PSA-PFS (E) and OS (F) comparing different Cox regression models.

Univariate analyses (Kaplan–Meier) and multivariate concordance index (C-index) analyses. PSA-PFS (A) and OS (B) Kaplan–Meier curve according to categorical KELIM. PSA-PFS (C) and OS (D) Kaplan–Meier curve according to categorical KPROD. C-index as a function of the time for PSA-PFS (E) and OS (F) comparing different Cox regression models.