The major ("type 1")<unk> s are rare. Antithrombin deficiency is present in 0.2% of the general population and 0.5–7.5% of people with venous thrombosis. Protein C deficiency, too, is present in 0.2% of the population, and can be found in 2.5–6% of people with thrombosis. The exact prevalence of protein S deficiency in the population is unknown; it is found 1.3–5% of people with thrombosis. The minor ("type 2")<unk> s are much more common. Factor V Leiden is present in 5% of the population of Northern European descent, but much rarer in those of Asian or African extraction. In people with thrombosis, 10% have factor V Leiden. In those who are referred for<unk>  testing, 30–50% have the defect. The prothrombin mutation occurs at rates of 1–4% in the general population, 5–10% of people with thrombosis, and 15% of people referred for<unk>  testing. Like factor V Leiden, this abnormality is uncommon in Africans and Asians. The exact prevalence of antiphospholipid syndrome is not well known, as different studies employ different definitions of the condition. Antiphospholipid antibodies are detected in 24% of those referred to<unk>  testing.
Thrombophilia
Exophilia
Basophilia
Dysfibrinogenemia
Hyperprothrombinemia
Giant platelet disorder
Hypodysfibrinogenemia
Hypoprothrombinemia