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Compression stockings
| Class | Pressure at ankle (mm Hg) | Indication |
|---|---|---|
| I | 14-17 | Mild varicose veins |
| II | 18-24 | Prevention of recurrence of venous ulcers on narrow legs and in slim patients and for mild oedema |
| III | 25-35 | Chronic venous insufficiency and oedema, and large heavy legs |
