Table 2.
Patient characteristics
| Variable | No. of patients (%) |
|---|---|
| Total patients | 64 |
| Sex | |
| Female | 35 (54.7) |
| Male | 29 (45.3) |
| Ethnicity | |
| White | 45 (70.3) |
| Black | 14 (21.9) |
| Hispanic | 4 (6.3) |
| Middle Eastern | 1 (1.6) |
| Thrombotic risk factors | |
| Surgery | 1 |
| Cast immobilization | 1 |
| Surgery and cast immobilization | 1 |
| Hormone exposure | 5 |
| Pregnancy | 3 |
| Surgery and hormone exposure | 2 |
| Structural/anatomic | 3 |
| Surgery and structural/anatomic | 1 |
| Central venous catheter | 3 |
| Surgery and central venous catheter | 1 |
| Hospitalization | 3 |
| Cast immobilization and trauma | 1 |
| Cancer | 1 |
| Unprovoked | 38 |
| Other comorbidities | |
| Inflammatory bowel disease | 3 |
| Sickle cell trait | 3 |
| HIV | 1 |
| Family history of first degree relative with venous thrombosis | 41 |