Table II.
Characteristic | Clinical improvement (n = 2187; 83.9%) | LCI (n = 420; 16.1%) | P valuea |
---|---|---|---|
Deep venous reflux | 738 (34) | 143 (35) | .8 |
Type of treatment | < .001 | ||
RFA | 1056 (48) | 247 (59) | |
EVLA | 396 (18) | 111 (26) | |
Other | 735 (34) | 62 (15) | |
General anesthesia | 376 (17) | 12 (2.9) | < .001 |
Type of vein treated | .015 | ||
GSV | 1424 (89) | 330 (89) | |
AAGSV | 43 (2.7) | 11 (3.0) | |
SSV | 128 (8.0) | 26 (7.0) | |
Other | 2 (0.1) | 5 (1.3) | |
Diameter of vein treated, mm | 7.2 ± 3.5 | 7.3 ± 3.1 | .08 |
Length of vein treated, mm | 37 ± 15 | 37 ± 15 | > .9 |
AAGSV, Anterior accessory saphenous vein; EVLA, endovenous laser ablation; GSV, great saphenous vein; LCI, lack of clinical improvement; RFA, radiofrequency ablation; SSV, small saphenous vein.
Data presented as number (%) or mean ± standard deviation.
Boldface P values represent statistical significance (P < .05).
P values computed using the Wilcoxon rank sum test or Pearson χ2 test.