Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Healing
[31] Systematic review	123 people 3 RCTs in this analysis	Number healed 52/63 (83%) with intermittent pneumatic compression plus compression 46/60 (77%) with compression alone	RR 1.09 95% CI 0.91 to 1.30 P = 0.36		Not significant
[31] Systematic review	45 people Data from 1 RCT	Proportion of people with healed ulcers at 3 months 10/21 (48%) with intermittent pneumatic compression plus graduated compression stockings 1/24 (4%) with graduated compression stockings alone	RR 11.4 95% CI 1.6 to 82.0	Large effect size	intermittent pneumatic compression plus graduated compression stockings