Table I.
Demographics and preoperative characteristics of the large (≥1 cm) vein diameter and small (<1 cm) vein diameter cohorts
| >1.0 cm (n = 31) | ≤1.0 cm (n = 130) | P value | |
|---|---|---|---|
| Age, years | 50.6 ± 12.1 | 51.8 ± 11.5 | .869 |
| Sex | |||
| Female | 22 (71.0) | 84 (64.6) | .507 |
| Race/ethnicitya | |||
| African American | 13 (41.9) | 69 (53.1) | .380 |
| Hispanic | 16 (51.6) | 42 (32.3) | |
| White | 2 (6.5) | 14 (10.8) | |
| Asian | 0 (0.0) | 1 (0.8) | |
| Other | 0 (0.0) | 4 (3.1) | |
| CEAP clinical classa | |||
| 2 | 2 (6.5) | 18 (13.8) | .042∗ |
| 3 | 16 (51.6) | 49 (37.7) | |
| 4 | 10 (32.3) | 26 (20.0) | |
| 5 | 2 (6.5) | 9 (6.9) | |
| 6 | 1 (3.2) | 28 (21.5) | |
| Anticoagulation | |||
| Warfarina | 1 (3.2) | 5 (3.8) | 1 |
| DOACsa | 1 (3.2) | 4 (3.1) | 1 |
| Comorbidities | |||
| Obese | 19 (61.3) | 74 (56.9) | .683 |
| History of DVTa | 3 (9.7) | 13 (10.0) | 1 |
| Vein diameter | |||
| Median, mm | 12.0 ± 3.98 | 6.40 ± 1.85 | <.001b |
| Treated segment length | |||
| Median, mm | 44.0 ± 9.92 | 44.5 ± 11.7 | .157 |
| Treated veina | |||
| GSV | 31 (100.0) | 121 (93.1) | .205 |
| SSV | 0 (0.0) | 9 (6.9) |
CEAP, Clinical-Etiology-Anatomy-Pathology; DOAC, direct-acting anticogaulatn; DVT, deep vein thrmbosis; GSV, great saphenous vein; SSV, small saphenous vein.
Values are mean ± standard devition or number (%).
For patients who had multiple procedures, the demographics at earliest presentation are listed. Continuous variables were compared with t tests, and categorical variables were compared with χ2 tests and Fisher exact tests. CEAP classes varied significantly between groups (P < .05 on Fisher exact test). Patients in the small vein cohort were more likely to present with C6 disease (P < .05 on χ2 test). There were no significant differences in demographic characteristics or length of treated segment between the two groups.
Compared with Fisher exact test due to small cohort numbers (<5 patients per group).
P < .05.