If you have a statistics background, it's pretty easy to tell that it's significant given the numbers (2 of 41 in the fish oil group and 11 of 40 in the placebo).<p>The exact p-value is in the paper (0.007), or very significant.  It's often difficult to get those kind of p-values in real world settings:<p><a href="http://archpsyc.ama-assn.org/cgi/content/abstract/67/2/146?lookupType=volpage&#38;vol=67&#38;fp=146&#38;view=short" rel="nofollow">http://archpsyc.ama-assn.org/cgi/content/abstract/67/2/146?l...</a>