Table 2.

Prevalence of hereditary disorders of coagulation.

Coagulation defect (n, %)
Factor V Leiden	19	(10.1%)
Prothrombin G20210A mutation	8	(4.3%)
Protein S/C deficiency	4	(2.1%)
Lupus anticoagulant	4	(2.1%)
Antiphospholipid antibodies	3	(1.6%)
Hyperhomocysteinemia	2	(1.1%)
Factor VIII elevation	2	(1.1%)
Antithrombin III deficiency	2	(1.1%)
Two thrombophilic factors positive	17	(9.1%)
Three thrombophilic factors positive	7	(3.7%)
Negative thrombophilia test	100	(53.1%)
Not tested	20	(10.6%)