Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Healing rates
Systematic review	396 people 5 RCTs in this analysis	Healing rate up to 75 days 102/205 (50%) with hydrocolloid dressings 59/191 (31%) with standard dressings	OR 2.57 95% CI 1.58 to 4.18	Moderate effect size	hydrocolloid dressings