What are known risk factors for DVT in Lebanese patients ?

According to a study published in the J Med Liban (2012 Jan-Mar;60(1):24-9), "advanced age is the most common risk factor for venous thrombosis in these series. Thrombophilia is the second most frequently observed risk factor and is related to the high prevalence of factor V-Leiden and MTHFR C 677 T mutation among the Lebanese population".