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Table 1 Plasma factors influencing the thrombophilic propensity

From: Stent thrombosis caused by metal allergy complicated by protein S deficiency and heparin-induced thrombocytopenia: a case report and review of the literature

Test

Values (percent)

Normal range (percent)

Total protein S antigen

56

65–135

Free protein S antigen

50

60–150

Protein S activity

35

60–150

Protein C activity

89

64–146

Anti-thrombin III activity

95

80–130

Factor X

81

70–130