Table 1.

Basic Clinical Etiological Anatomical Pathophysiological (CEAP) classification

Clinical class	Clinical characteristics
0	No clinical findings or symptoms
1	Telangiectasia or reticular veins
2	Varicose veins
3	Edema (only due to a venous etiology)
4	(a) Pigmentation and/or eczema (b) Lipodermatosclerosis, atrophie blanche
5	Prior ulceration, now healed
6	Active ulceration