Superficial venous surgery plus compression (surgery) v compression alone in chronic venous leg ulceration*

OutcomeSurgeryCompression aloneRRR (95% CI)NNT (CI)†
*Abbreviations defined in glossary; RRR, NNT, and CI calculated from hazard ratio in article.
†NNT refers to number of legs needed to treat.
12 month recurrence rates12%28%60% (40 to 73)6 (5 to 9)