Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Healing rates
Systematic review	Number of participants unclear (see further information on studies) Data from 1 RCT	Median change in total ulcer surface area mean 15 days –1.2 cm2 with air-fluidised supports +0.5 cm2 with standard care	Reported as significant P value not reported	Effect size not calculated	air-fluidised supports
Systematic review	Number of participants unclear (see further information on studies) Data from 1 RCT	Median change in total ulcer surface area mean 15 days with air-fluidised support with standard care Absolute results not reported	P = 0.05	Effect size not calculated	air-fluidised support
Systematic review	97 people being cared for at home Data from 1 RCT	Median change in total ulcer surface area 36 weeks with air-fluidised support with standard care Absolute results not reported	Reported as not significant P value not reported This RCT had a 13% withdrawal rate and did not perform an intention-to-treat analysis		Not significant
Systematic review	72 people, 65 people completed study, aged >18 years, acute care, grade I to IV ulcers	Median change in wound surface area –1.2 cm2 with air-fluidised mattress +0.5 cm2 with alternating-pressure mattress covered in foam	95% CI for difference –9.2 cm2 to –0.6 cm2 P = 0.01	Effect size not calculated	air-fluidised mattress