Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Prevention of pressure ulcers
Systematic review	319 people Data from 1 RCT	Incidence of new pressure ulcers 3 weeks with hexachlorophene (hexachlorophane) lotion with cetrimide lotion Absolute results not reported	OR 0.87 95% CI 0.46 to 1.65 These results must be interpreted with caution, as they were based on a completer analysis of 167 people		Not significant
Systematic review	120 people Data from 1 RCT	Changes in skin condition 3 weeks with hexachlorophene lotion with inert lotion Absolute results not reported	Reported as not significant P value not reported		Not significant
RCT	380 people In review	Proportion of people who developed pressure ulcers 12/164 (7%) with twice-daily topical application of a compound of 8 hyperoxygenated fatty acids 29/167 (17%) with placebo compound	RR 0.42 95% CI 0.22 to 0.80 Completer analysis; 13% of those randomised were not included in the analysis so results must be viewed with caution	Moderate effect size	fatty acids