Table 2

Prevalence of genetic defects among Caucasians [15]


Incident VTE (%)
Recurrent VTE (%)
Normal population
Relative thrombotic risk

Activated Protein C resistance (Factor V Leiden)
20
40–50
3–7
3–7 heterozygotes 50–100 homozygotes
Prothrombin G20210A mutation
3–8
15–20
1–3
2–8 heterozygotes
Antithrombin deficiency
1–2
2–5
0.02–0.04
5
Protein C deficiency
2–5
5–10
0.2–0.5
6–10
Protein S deficiency
1–3
5–10
0.1–1
2

Khan and Dickerman Thrombosis Journal 2006 4:15   doi:10.1186/1477-9560-4-15