Table 1.
ASVS baseline characteristics
| Characteristic | Number of subjects at Baseline (n = 100) | Number of subjects at 12 m (n = 90) | Number of subjects at 36 m (n = 70) |
|---|---|---|---|
| Gender | |||
| Male | 41 | 37 (41.1) | 30 (42.9) |
| Female | 59 | 53 (58.9) | 40 (57.1) |
| Mean age, years (SD) | 60.1 ± 12.8 | 60.7 ± 12.8 | 60.9 ± 13.6 |
| Mean BMI, kg/m2 (SD) | 26.7 ± 4.58 | 26.6 ± 4.65 | 26.2 ± 4.32 |
| Ethnic Group | |||
| Chinese | 71 | 64 (71.1) | 51 (72.9) |
| Malay | 11 | 9 (10.0) | 8 (11.4) |
| Indian | 16 | 16 (17.8) | 10 (14.3) |
| Others | 2 | 1 (1.1) | 1 (1.43) |
| Smoking | |||
| Smoker | 9 | 6 (6.7) | 4 (5.71) |
| Non-Smoker | 84 | 78 (86.7) | 63 (90.0) |
| Former Smoker | 7 | 6 (6.7) | 3 (4.29) |
| Primary Symptoms | |||
| Pain | 37 | 32 (35.6) | 24 (34.3) |
| Aching | 43 | 33 (36.7) | 25 (35.7) |
| Swelling | 57 | 52 (57.8) | 39 (55.7) |
| Heaviness | 46 | 45 (50.0) | 29 (41.4) |
| Burning | 2 | 1 (1.1) | 0 (0.00) |
| Itch | 26 | 24 (26.7) | 14 (20.0) |
| Others | 30 | 4 (4.4) | 22 (31.4) |
| Comorbidities | |||
| Hypertension | 45 | 40 (44.4) | 31 (44.3) |
| Hyperlipidemia | 37 | 33 (36.7) | 24 (34.3) |
| Diabetes Mellitus | 16 | 14 (15.6) | 11 (15.7) |
| Ischemic Heart Disease | 6 | 5 (5.6) | 4 (5.71) |
| CEAP category | |||
| C2 (varicose veins) | 24 | 20 (22.2) | 15 (21.4) |
| C3 (edema) | 33 | 30 (33.3) | 25 (35.7) |
| C4a (pigmentation/eczema) | 32 | 28 (31.1) | 21 (30.0) |
| C4b (lipodermatosclerosis) | 4 | 4 (4.4) | 3 (4.29) |
| C5 (healed venous ulcer) | 7 | 7 (7.8) | 3 (4.29) |
| Duration of Varicose Veins (months), median (IQR) | 24.00 (7.75–60.0) | 24.00 (7.00–60.0) | 24.0 (6.00 – 60.0) |
| Distribution of Truncal Endovenous Ablation | (n = 151 legs) | (n = 138 legs) | (n = 107 legs) |
| GSV | 49 (32.5%) | 41 (29.7%) | 35 (32.7) |
| Bilateral GSV | 96 (63.6%) | 92 (66.7%) | 68 (63.6) |
| SSV | 1 (0.7%) | 1 (0.7%) | 1 (0.93) |
| Combined unilateral GSV and SSV or ATV | 5 (3.3%) | 4 (2.9%) | 3 (2.80) |
| Total number of truncal veins treated | (n = 156 veins) | (n = 142 veins) | (n = 110veins) |
| GSV | 150 (96.2) | 137 (96.5) | 106 (96.4) |
| SSV | 5 (3.2) | 4 (2.82) | 4 (3.64) |
| ATV | 1 (0.6) | 1 (0.7) | 0 (0.0) |