Fig. 1From: Comparison of three different anti-Xa assays in major orthopedic surgery patients treated with direct oral anticoagulantThe anti-Xa activity (A), (B) and (C) in orthopedic patients treated with edoxaban during TKA or THA. The anti-Xa activities of A kit (a), B kit (b) and C kit (c) in orthopedic patients treated with edoxaban on Days 1, 4, 8 and 15. ***, p < 0.001; **, p < 0.01; *, p < 0.05Back to article page