Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Time to healing
[11] Systematic review	55 people with partial-thickness burns Data from 1 RCT	Median days to wound healing 10 days with polyurethane film 7 days with paraffin gauze dressing	P >0.05 Blinding not reported		Not significant
Wound infection
[11] Systematic review	55 people with partial-thickness burns Data from 1 RCT	Wound infections 3/30 (10%) people with polyurethane film 2/25 (8%) people with paraffin gauze dressing	RR 1.25, 95% CI 0.23 to 6.90 P = 0.80 No infection required antibiotic treatment Blinding not reported		Not significant
Residual scarring
[31] RCT	55 people with partial-thickness burns In review [11] Data from 1 RCT	Proportion of people with residual scars 3 months 6/29 (21%) with polyurethane film 2/25 (8%) with paraffin gauze dressing	Reported as not significant P value not reported Blinding not reported		Not significant