Table 3.

The Type of VTE and Frequency of Inherited Thrombophilia in the Subgroup of Female COC Users With Spontaneous VTE.^a

Type of VTE	N = 385	No. of Women Diagnosed With Thrombophilia	% of Respective Group
Distal (calf) DVT	211	118	55.9
Proximal DVT	63	44	69.8
DVT + PE	56	30	53.6
PE	28	13	46.4
VTE at unusual site	27	12	44.4

Abbreviations: COC, combined oral contraceptives; DVT, deep vein thrombosis; PE, pulmonary embolism; VTE, venous thromboembolism.

^aN = 385 (55% of the cohort with VTE).