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. 2021 Mar 17;9(6):1371–1381.e4. doi: 10.1016/j.jvsv.2021.02.018

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© 2021 Published by Elsevier Inc. on behalf of the Society for Vascular Surgery.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig 1 — The incidence of symptomatic inpatient venous thromboembolism (VTE) according to the different modifications of the Caprini score assessed at the time of admission. Caprini[COVID-19:adm]: Considering two points for asymptomatic infection, three points for symptomatic infection, five points for symptomatic infection with positive D-dimer, score assessed at admission (V = 0.525; P < .001); Caprini[Dd>3ULN:adm]: considering three points if D-dimer increased >3 times over ULN, score assessed at admission (V = 0.493; P < .001); Caprini[Dd>ULN:adm]: considering three points if D-dimer increased over ULN, score assessed at admission (V = 0.531; P < .001); Caprini[orig:adm]: the original score assessed at admission (V = 0.505; P < .001); ULN: upper limit of normal; V: Cramer's V.