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. 2020 Dec 3;41(2):878–882. doi: 10.1161/ATVBAHA.120.315547

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© 2020 American Heart Association, Inc.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. 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. — Levels of extracellular vesicle (EV) tissue factor activity in patients with coronavirus disease 2019 (COVID-19). A, EV TF activity in healthy individuals (n=28) and patients with COVID-19 (n=100). B, EV TF activity in patients with COVID-19 with low respiratory support (O₂ ≤5 L/min; n=83) compared with patients with COVID-19 with high respiratory support (O₂ >5 L/min; n=17). C, EV TF activity in patients with COVID-19 who survived (n=90) compared with patients with COVID-19 who died (n=10). Data is presented as median with interquartile range. D, Kaplan-Meier survival curve of patients with COVID-19 with high (≥0.565 pg/mL) or low (<0.565 pg/mL) EV TF activity.