Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Ankle brachial index
RCT 3-armed trial	354 people with peripheral arterial disease and intermittent claudication In review	Improvement in ankle brachial index after exercise (change from baseline) 12 months From 0.62 to 0.64 with atorvastatin 80 mg daily From 0.62 to 0.64 with atorvastatin 10 mg daily From 0.59 to 0.63 with placebo	P = 0.57 across all groups Significance of between group differences not assessed