Table 1 Patients’ characteristics and operative data.

Age	65
Gender (men:women)	9:16
CEAP classification	C1:0 C2: 20 C3: 5 C4: 0 C5: 0 C6: 0
LEED	84.6 ± 8.1
Length of treated vein	40.4 ± 4.2
Varicosectomy	18
PNI at points 1, 2, 5, and 6	0
PNI at point 3	13 (52%)
PNI at point 4	9 (36%)

CEAP: Clinical-Etiology-Anatomy-Pathophysiology classification; LEED: linear endovenous energy density; PNI: peripheral nerve injury