PMC7437640_01
Patient's PT-INR values during the 18 months before and 1 month after COVID-19. PT-INR prothrombin time:international normalized ratio, SARS-CoV-2 severe acute respiratory syndrome coronavirus 2
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Fig1
The patient's PT-INR values had been regularly monitored since October 2018 (time in therapeutic range [TTR] estimated using the traditional method was 71.4%, see Fig. 1). As illustrated in Fig. 1, the coagulative pattern was markedly altered in respect to trend observed for 18 months before infection, with a PT ratio of 28.71, PT-INR of 25.1, and APTT ratio of 7.62.