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. 2021 Jan 19:M20-5327. doi: 10.7326/M20-5327

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This article is made available via the PMC Open Access Subset for unrestricted re-use for research, analyses, and text and data mining through PubMed Central. Acknowledgement of the original source shall include a notice similar to the following: "© 2020 American College of Physicians. Some rights reserved. This work permits non-commercial use, distribution, and reproduction in any medium, provided the original author and source are credited." These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Figure 2. Patient-level factors over time.In univariate linear regression models, ICU admission SOFA score (P = 0.141), age (P = 0.41), BMI (P = 0.091), platelet count (P = 0.087), Glasgow Coma Score (P = 0.67), respiratory rate (P = 0.42), oxygen saturation (P = 0.46), and Pao2–FIo2 ratio (P = 0.99) were not associated with ICU admission date. BMI = body mass index; ICU = intensive care unit; SOFA = Sequential Organ Failure Assessment. — In univariate linear regression models, ICU admission SOFA score (P = 0.141), age (P = 0.41), BMI (P = 0.091), platelet count (P = 0.087), Glasgow Coma Score (P = 0.67), respiratory rate (P = 0.42), oxygen saturation (P = 0.46), and Pao2–FIo2 ratio (P = 0.99) were not associated with ICU admission date. BMI = body mass index; ICU = intensive care unit; SOFA = Sequential Organ Failure Assessment.