Table 1.
Baseline Demographic and Clinical Characteristics by Venous Thromboembolism (VTE) Case or Control Status
| VTE (N=232) | No VTE (N=133) | P-Value | |
|---|---|---|---|
| Age at VTE event, mean (SD) | 50.3 (16.4) | 54.1 (14.9) | 0.03 |
| Age at follow-up visit, mean (SD) | 63.6 (14.4) | 65.9 (14.9) | 0.12 |
| VTE event year, mean (SD) | 1983 (7.02) | 1986 (4.01) | 0.02 |
| Gender, n (%) male | 127 (55%) | 65 (49%) | 0.32 |
| Body mass index (k/m2), mean (SD) | 27.0 (5.2) | 26.1 (3.8) | 0.09 |
| Prior superficial vein thrombosis (%) | 22 (9%) | 2 (2%) | 0.003 |
| Serious liver disease (%) | 1 (.4%) | 0 (0%) | 1.00 |
| Chronic lung disease/pulmonary hypertension (%) | 12 (5%) | 7 (5%) | 0.98 |
| Chronic renal disease/nephrotic syndrome (%) | 1 (0.4%) | 0 (0%) | 1.00 |
| Congestive heart failure and/or cardiomyopathy (%) | 21 (9%) | 8 (6%) | 0.30 |
| Prior varicose Veins (%) | 54 (23%) | 15 (11%) | 0.005 |
| Prior venous stasis syndrome (%) | 14 (6%) | 4 (3%) | 0.20 |
| Venous stasis syndrome at follow-up visit | 135 (58%) | 26 (20%) | <0.0001 |
| Venous outflow obstruction at follow-up visit | 36 (16%) | 7 (5%) | 0.004 |
| Venous valvular incompetence at follow-up visit | 111 (48%) | 25 (19%) | <0.0001 |