Class | Clinical Signs |
C0 | No visible or palpable signs of venous incompetence |
C1 | Spider veins and/or reticular varices |
C2 | Varicose veins |
C3 | Oedema |
C4a | Pigmentation, eczema |
C4b | Atrophie blanche, dermatoliposclerosis |
C5 | Cured venous leg ulcer |
C6 | Active venous leg ulcer |