Screening
From 2 February 2018 until 31 March 2020, a total of 1410 patients were screened, and 200 consented and were subsequently randomized into the trial at 11 participating centres. However, 10 patients were removed from the analysis after randomization as they were identified as screening failures (Cumulative numbers of patients who had been lost to follow-up and had died by each follow-up time pointTen patients were excluded post-randomization. Patients at SET centres attended their first SET class within 2 weeks from randomization. Treatment protocol violations occurred in 6 patients in the control group (SET and non-SET groups) and in 5 patients in the SET intervention group.Baseline characteristics were similar in both groups (Baseline characteristics of trial participantsABPI, ankle–brachial pressure index; BMT, best medical therapy; NMES, neuromuscular electrical stimulation; SET, supervised exercise therapy. Percentages may not total to 100 because of rounding. *Information on ABPI was missing for 2 patients in the treatment group (left and right ABPI) and 2 and 1 patient(s) in the control group (right and left ABPI), respectively.