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Kaplan-Meier plots for (A) freedom from death, amputation, and major adverse limb events (MALE) in 199 patients with 12-month follow-up; (B) freedom from amputation of the index limb stratified by occlusion etiology; and (C) freedom from MALE involving the index limb stratified by occlusion etiology. The standard errors did not exceed 10% at any interval in any group.
