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. 2021 Jul 22;12:692662. doi: 10.3389/fneur.2021.692662

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Copyright © 2021 Pan, Meeks, Potter, Masdeu, Seshadri, Smith, Ory and Vahidy.

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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Pre- and post-matched distribution of individual propensity scores among COVID-19 hospitalized patients, by preexisting cognitive impairment status. Cohort proportions (Y-axis) by propensity score (X-axis) are presented. Cohorts matched on age, sex, race, ethnicity, marital status, insurance coverage, area deprivation index (ADI), obesity, diabetes, hypertension, overall Charlson Comorbidity Index (CCI), mean systolic and diastolic blood pressure (SBP/DBP) at admission, elevated respiratory rate at admission, elevated temperature at admission, low oxygen saturation (O2) at admission, intensive care unit (ICU) stay, and mechanical ventilation utilization.