TFPI and deep vein thrombosis: They reported that the anticoagulant activity of TFPI (the levels of TFPI initial anticoagulant time ratio, TFPI whole anticoagulant time ratio, and TFPI anticoagulant rate) in trauma patients with DVT (39.91 ± 13.44%; 13.65 ± 7.96%; and 32.61 ± 15.43%) were significantly higher than those in trauma patients without DVT (32.19 ± 10.28%; 9.77 ± 4.91%; and 25.87 ± 10.32%).