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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: J Thromb Haemost. 2017 Jun 28;15(8):1704–1707. doi: 10.1111/jth.13743

Fig. 1.

Fig. 1

(A) Thrombin generation measured in platelet-rich plasma (PRP) from six healthy volunteers, using tissue factor (TF) 1 pM. Blood samples were obtained by direct venepuncture and from a venous catheter at time 0 and 4 h after catheter introduction. Thrombin generation was significantly higher in samples drawn from catheters compared with direct venipuncture (P = 0.0043; Mann–Whitney U-test). (B) Similar experiment in platelet-poor plasma (PPP) from the same volunteers using TF 1 pM and phospholipids 4 μM. Thrombin generation was not significantly different in samples drawn from catheters compared with direct venipuncture (P > 0.05; Mann–Whitney U-test). ETP, endogenous thrombin potential.