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. 2021 Sep 17;8:713917. doi: 10.3389/fmed.2021.713917

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Copyright © 2021 Peng, Deng, Qi, Hu and Zhang.

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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Time to death analysis. (A) shows the survival curves for all included patients at 1 year after admission of the last patients before matching, with a significant difference between liver injury and non-liver injury groups (Log-rank P = 0.006). (B) shows the survival curves for different stages of serum total bilirubin (TBIL) levels before propensity matching. Kaplan-Meier analysis showed survival time did not differ between the hyperbilirubinemia group and the normal group. Log-rank p < 0.001. (C) shows the survival curves between liver injury and non-liver injury groups after matching (log-rank P = 0.084); (D) shows the survival curves for different stages of serum TBIL levels after propensity matching (Log-rank p < 0.001).