trend toward significanceP =0.061
They found no significant differences in pain scores on the McGill Pain Questionnaire between those injected with BoNT and those injected with placebo ( P >0.05), although they did find improvements in hygiene on the DAS ( P <0.05) with a similar trend toward significance for improvement on the DAS dressing scale ( P =0.061). 41 There are few trials comparing BoNT serotypes.