Correlation matrix between the different coagulation factors and D-dimers in patients with active AAV. Spearman rank correlation coefficients were used. Blue indicates a positive correlation, and red indicates a negative correlation. ∗Indicates a P value <.05. α1AT, α1-antitrypsin; AT, antithrombin; C1Inh, C1 esterase inhibitor; FVIIa, activated FVII; FXa, activated factor X; FXIa, activated factor XI; FXIIa, activated factor XII; FIXa, activated factor IX; T:AT, thrombin in complex with antithrombin.