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. 2021 May 26;8:585851. doi: 10.3389/fmed.2021.585851

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Copyright © 2021 Zhao, Luo, He, Shen, Liang, Zhang, Ye, Xu, Wang, Ye, Wang and Wan.

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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Hazard Ratio for ICU admission of severe COVID-19 patients. Shown in the figure are the hazards ratio (HR) and the 95% confidence interval (95%CI) for the risk factors of ICU admission after disease onset with treating LDL-C levels as a categorical variable (A) or a continuous variable (B). The model has been adjusted with age, sex and comorbidities. *Means the P-value <0.05. The scale bar indicates the HR and 95%CI. LDL, low-density lipoprotein; COPD, chronic obstructive pulmonary diseases.