"Now Cohen reports that a second analysis showed a trend toward benefit in those who were vaccinated, but failed to demonstrate a statistically significant difference. This means the difference was small enough that it could have occurred by chance."
Read more in POZ, October 6, 2009.
Comment: This finding weakens the positive vaccine result. But remember that the line between statistically significant, or not significant but only a trend, is an arbitrary one, depending on history and custom in medical research. Crossing this line does not cross any line in nature.
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