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. 2022 Nov 2;370:454–462. doi: 10.1016/j.ijcard.2022.10.172

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© 2022 The Authors

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. 4 — Quantification of the presence of NT in the cardiac microvasculature of COVID-19 patients.

Shown are the fractions of NT+ (A) blood vessels in the left ventricle (LV) in control and COVID-19 patients and the fractions of NT+ (B) blood vessels in the LV and right ventricle (RV) in COVID-19 patients. The correlation analyses between NOX2 (C) or NOX5 (D) expression in the LV of COVID-19 patients and NT are also shown. The bars in the graphs represent median [IQR]. Each point represents the score of an individual patient.

**P < 0.01 and ns indicates not significant.