Fig. 2From: COVID-19 increases extracorporeal coagulation during hemodialysis associated with upregulation of vWF/FBLN5 signaling in patients with severe/critical symptomsRelationship between coagulation grade and disease severity. A Number and proportion of patients with different symptom statuses. B The number of coagulations occurring in patients with different symptoms at different coagulation levels. C The average number of coagulation events per person during the study period. Pearson's Chi-square test (p ≤ 0.05)Back to article page