Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Healing
[55] RCT	60 people with venous or arteriovenous ulcers of at least 6 months' duration	Time to complete healing 29 days with topical negative pressure vacuum-assisted closure (VAC) 45 days with control (conventional wound care techniques)	P = 0.001	Effect size not calculated	VAC