Table 2.
Correlation of iliofemoral venous thrombosis with iliofemoral venous obstruction
| Presence of iliofemoral venous thrombosis | No. of patients (%) | p value |
|---|---|---|
| Total, n/total n | 21/63 (33) | |
| Age, n/total n | 0.285 | |
| ≥50 years | 7/22 (32) | |
| <50 years | 14/41 (55) | |
| Sex, n/total n (%) | 0.366 | |
| Male | 7/26 (28) | |
| Female | 14/37 (38) | |
| D-dimer, n/total n | 0.011 | |
| <3,000 ng/ml level | 3/27 (11) | |
| ≥3,000 ng/ml level | 18/36 (48) | |
| Primary cancer, n/total n | 0.002 | |
| GI cancer | 7/9 (78) | |
| Non-GI cancer | 14/54 (26) | |
| Anatomy location, n/total n | 0.007 | |
| Inguinal area | 14/26 (53) | |
| Iliac area | 7/37 (19) | |
| Tumor size, n/total n | 0.139 | |
| ≥3 cm | 5/40 (13) | |
| <3 cm | 16/23 (70) | |
| Tumor characteristic, n/total n | 0.032 | |
| Lymph nodes | 14/33 (42) | |
| Mesentery | 7/30 (23) | |
One patient was found to have iliofemoral venous thrombosis via CT scan, instead of duplex ultrasound (not done). One patient was diagnosed with bilateral iliofemoral venous thrombosis by duplex ultrasound.