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Table 2 Parameters of coagulation, aggregation and fibrinolysis in non-DVT and DVT groups before or after TKA

From: Enhanced pre-operative thrombolytic status is associated with the incidence of deep venous thrombosis in patients undergoing total knee arthroplasty

  Before TKA After TKA
  Non-DVT DVT p value Non-DVT DVT p value
PT (sec) 11.4 ± 0.7 11.4 ± 0.6 0.938 11.9 ± 0.6 12.3 ± 0.7† 0.088
PT (%) 99.2 ± 14.6 98.0 ± 11.8 0.825 87.0 ± 21.8* 82.9 ± 10.3† 0.568
PT (INR) 1.01 ± 0.07 1.01 ± 0.05 0.984 1.04 ± 0.07 1.09 ± 0.06† 0.078
APTT (Sec) 27.2 ± 3.0 26.9 ± 1.8 0.793 28.1 ± 3.6 28.2 ± 2.1 0.926
Platelets (104/μl) 24.2 ± 7.9 23.3 ± 6.2 0.750 22.4 ± 7.5 21.4 ± 5.5 0.686
ADP2.5 (%) 56.1 ± 16.5 53.0 ± 16.7 0.645 52.6 ± 17.1 50.5 ± 13.6 0.746
ADP5.0 (%) 71.2 ± 14.6 69.2 ± 17.3 0.746 65.3 ± 13.2 68.3 ± 13.9 0.575
ADP10.0 (%) 81.3 ± 17.5 79.7 ± 14.4 0.810 74.8 ± 16.3 73.9 ± 29.2 0.919
Col1.0 (%) 47.8 ± 30.4 49.0 ± 23.0 0.905 35.1 ± 29.1 25.3 ± 25.9 0.384
FDP (μg/ml) 4.7 ± 2.0 4.4 ± 1.3 0.671 5.3 ± 2.5 5.2 ± 2.3 0.953
D-dimer (μg/ml) 1.3 ± 1.0 1.0 ± 0.5 0.301 2.2 ± 1.8* 3.0 ± 2.5† 0.311
  1. ADP2.5, ADP5.0, ADP10.0; Platelet aggregation-induced by ADP (2.5, 5.0 and 10.0 μg/ml, respectively). Col1.0; platelet aggregation-induced by collagen (1.0 μg/ml). *; p < 0.05 vs non-DVT group before surgery, †; p < 0.05 vs DVT group before surgery.