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Kaplan-Meier curves for repeat endovascular and surgical revascularization per procedure at 12 months for diabetics (DM) and nondiabetics (non DM): (A) entire sample, (B) critical limb ischemia subgroup, and (C) claudicant subgroup. Nineteen observations were excluded due to missing date of repeat endovascular and surgical revascularization. The standard error did not exceed 10% at 12 months for both groups. Probs, probability.
