Table 2: Conditions associated with FVL mutation.

High risk conditionsPatients screened for FVL mutationPatients carriers for FVL mutation

Young patients (A group)3524 (68.6%)
Pregnancy9 6 (66.6%)
Estrogen treatment53 (60%)
Spontaneous DVT3218 (56.2%)
Extended DVT95 (55.5%)
Recurrent DVT1510 (66.6%)
Family history of VTE115 (45.4%)
Resistance to anticoagulant44 (100%)
Long-haul air travel21 (50%)