Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Eradication rate
RCT	63 children and adults with head lice	Population louse free 7 days 29/29 (100%) with permethrin (1% creme rinse) 3/34 (9%) with placebo (commercial creme rinse and alcohol)	P <0.001	Effect size not calculated	permethrin
RCT	63 children and adults with head lice	Proportion louse-free 14 days 28/29 (97%) with permethrin (1% creme rinse) 2/34 (6%) with placebo (commercial creme rinse plus alcohol)	P <0.001	Effect size not calculated	permethrin