Prevalence of hypercoagulable states in stented thrombotic iliac vein compression syndrome with comparison of re-intervention and anticoagulation regimens

Table 1 Baseline demographics

Variable	Summary (n = 65)
Median age in years (interquartile range)	54 (41-63)
Median BMI in kg/m2 (interquartile range)	28 (25.1-32.7)
Gender
Male	38 (58.5%)
Female	27 (41.5%)
Clinical symptoms
Lower extremity swelling	57 (87.7%)
Lower extremity pain	44 (67.7%)
Venous stasis ulceration	7 (10.8%)
Varicose veins	3 (4.6%)
Pelvic pain	2 (3.1%)
Symptomatic side
Left	49 (75.4%)
Right	14 (21.5%)
Bilateral	2 (3.1%)
Thrombophilia risk factor
Young age (< 40 yr)	24 (35.9%)
Family history	12 (18.5%)
Unprovoked	16 (24.6%)
VTE provoking factor
Prolonged immobilization	15 (23.1%)
Malignancy	13 (20.0%)
Recent surgery	5 (7.7%)
Trauma	5 (7.7%)
Pregnancy	7 (14.6%)
Hormonal supplement	4 (6.2%)
None	16 (24.6%)

BMI: Body mass index; VTE: Venous thrombosis.