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Figure 1

From: Clinical and laboratory features of hypercoagulability in COVID-19 and other respiratory viral infections amongst predominantly younger adults with few comorbidities

Figure 1

Dynamic changes of the serial haemostatic profiles of a COVID-19 patient from initial presentation to clinical deterioration* to subsequent recovery and convalescent phase. (a) Serial aPTT and min1 data of the patient. The horizontal dotted arrows ( ) depict the upper and lower limits of the reference intervals of aPTT while the horizontal dashed arrow ( ) shows the upper limit of min1 reference interval (min1 lower limit falls below the boundary of the graph shown). (b) Serial PT, min2 and max2 data of the patient. All the PT results fall within the reference intervals of 9.9 s to 11.4 s. The horizontal dashed arrows ( ) depict the upper and lower limits of the reference intervals of min2 while the horizontal dotted arrows ( ) show the upper and lower limits of max2 reference intervals. *Clinical deterioration defined as requiring intensive care unit (ICU) support

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