Table 2.

Comparison of plasma vWF activity

	Number of cases	vWF (%)
Normal control	60	91.34 ± 21.53
Patients with heart failure and atrial fibrillation	126	248.53 ± 107.19*
Patients with heart failure and atrial fibrillation without thrombosis	107	237.51 ± 113.45*
Patients with heart failure and atrial fibrillation with thrombosis	19	277.22 ± 101.74*Δ
Patients taking warfarin	39	244.34 ± 89.81
Patients taking new oral anticoagulants (rivaroxaban or dabigatran)	87	249.281 ± 102.00

Note: Compared with control, ^*P < 0.05; Compared with patients without thrombosis, ^ΔP < 0.05