Skip to main content

Advertisement

Table 1 Rates of cure overall and by data subgroup - ITT population

From: Tocopheryl acetate 20% spray for elimination of head louse infestation: a randomised controlled trial comparing with 1% permethrin creme rinse

  Success rate p value
Tocopheryl acetate 20% Permethrin 1%
n/N % n/N %
Whole population      
Elimination of initial infestation 17/23 73.9 5/22 22.7 <0.001
Worst case analysis 13/23 56.5 5/22 22.7 0.033
Data subgroup      
Sex - males 1/2 50.0 1/3 33.3 NS
  - females 12/21 57.1 4/19 21.1 0.027
Age - 2 to 9 10/13 76.9 4/11 36.4 NS
  - 10 to 15 1/7 14.3 0/8 0.0 NS
  - 16+ 2/4 50.0 1/3 33.3 NS
Infestation - light 9/12 75.0 3/11 27.3 0.039
  - moderate 2/4 50.0 2/5 40.0 NS
  - heavy 2/7 28.6 0/5 0.0 NS
Hair length - above ears 1/2 50.0 1/3 33.3 NS
  - ears to shoulders 5/9 55.6 1/7 14.3 NS
  - below shoulders 7/12 58.3 3/12 25.0 NS
Hair thickness - fine 3/4 75.0 2/4 50.0 NS
  - medium 4/6 66.7 1/6 16.7 NS
  - thick 6/13 46.2 2/12 16.7 NS
Hair curl - straight 4/11 36.4 4/14 28.6 NS
  - wavy 6/8 75.0 0/6 0.0 <0.01
  - curly 3/4 75.0 1/2 50.0 NS
Hair type - dry 1/2 50.0 1/2 50.0 NS
  - normal 11/19 57.9 5/18 27.8 NS
  - greasy 1/2 50.0 0/2 0.0 NS