Table 1. Demographic and Clinical Data .

	EVLA (n = 60)	RFA (n = 60)	P
VCSS	9.7 ± 2.5	9.9 ± 2.5	0.196
CEAP	3.2 ± 0.4	3.2 ± 0.4	1.000
VSM diameter (SFJ) mm	9.6 ± 1.7	10.3 ± 2.8	0.213
VSM diameter (knee) mm	8.2 ± 1.4	8.4 ± 2.3	0.633
Mean SFJ reflux time (s)	3.4 ± 1.4	3.8 ± 1.3	0.102
Distance from skin	15.3 ± 7.3	14.5 ± 7.3	0.212
Length of saphenous vein	27.4 ± 3.4	26.5 ± 6.5	0.108
Duration of procedure	31.2 ± 4.7	32.7 ± 6.5	0.205

Abbreviations: EVLA, endovenous laser ablation; RFA, radiofrequency ablation; VCSS, venous clinical severity score; CEAP, clinical severity, etiology, anatomy and pathophysiology; VSM, vena saphena magna; SFJ, saphenofemoral junction.