Portal vein thrombosis: Insight into physiopathology, diagnosis, and treatment

Table 3 Prevalence of thrombotic risk factors in series of routinely investigated, consecutive adult patients with non tumorous and non cirrhotic, acute or chronic, PVT[126]

Risk factor	PVT patients (%)
Myeloproliferative disorders	30-40
Atypical	14
Classical	17
Antithrombin deficiency	0-26
Protein C deficiency	0-26
Protein S deficiency	2-30
Factor V Leiden mutation	6-32
Prothrombine mutation	14-40
TT677 methylene tetrahydrofolate reductase (MTHFR) genotype	11-50
Antiphospholipid syndrome	6-19
Hyperomocisteinemia	12-22
Recent pregnancy	6-40
Recent oral contraceptive use	12