I must be tired, but help me out here marz/someone, isn't the below from the paper a "double negative"?
Wouldn't this be more clear if they said (by removing the "negatives"):
"Our result indicates that we could xxx reject the hypothesis of xx difference in effect of DHA vs. EPA on LDL cholesterol at any reasonable level of statistical significance.
Just trying to read and make some sense into their conclusion. Just sounds odd to me at the moment.