Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Walking distance
RCT	73 people with severe intermittent claudication, chronic critical limb ischaemia or ischaemic ulcers, and superficial femoral artery stenosis or occlusion	Patient-reported average maximum walking distance 6 months 800 metres with percutaneous transluminal angioplasty (PTA) plus routine stenting (nitinol self-expanding stents) 600 m with PTA with optional secondary stenting	Intention-to-treat analysis P = 0.002	Effect size not calculated	PTA plus routine stenting
RCT	104 people with severe claudication caused by stenosis or occlusion of the superficial femoral artery Further report of reference	Walking distance 12 months 387 m with PTA plus routine stenting (primary nitinol self-expanding stents) 267 m with balloon angioplasty with optional secondary stenting	P = 0.04	Effect size not calculated	PTA plus routine stenting
RCT	73 people with severe intermittent claudication, chronic critical limb ischaemia or ischaemic ulcers, and superficial femoral artery stenosis or occlusion	Patient-reported average maximum walking distance 12 months 800 m with PTA plus routine stenting (nitinol self-expanding stents) 550  with PTA with optional secondary stenting	Intention-to-treat analysis P = 0.042	Effect size not calculated	PTA plus routine stenting