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. 2020 Aug 30;120(12):1716–1719. doi: 10.1055/s-0040-1715836

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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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Fig. 1 — CRP peak, fibrinogen peak, acute pulmonary embolism, and extent of coronavirus disease 2019 (COVID-19) disease on chest CT according to the three stages COVID-19-associated hemostatic abnormalities (CAHA) classification. The extent of COVID-19 disease on chest CT was assessed as pulmonary injuries extension in percentage of the total pulmonary field and classified as minimal (stage 1 < 10%), moderate (stage 2 = 10–25%), severe (stage 3 = 25–50%), and critical (stage 4 > 50%). APE, acute pulmonary embolism; CRP, C-reactive protein; CT, computed tomography; ULN, upper limit of normal.