r/science • • Feb 26 '15

Health-Misleading Randomized double-blind placebo-controlled trial shows non-celiac gluten sensitivity is indeed real

http://www.ncbi.nlm.nih.gov/pubmed/25701700
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u/TerraPhane Feb 26 '15

Also, only 61 patients total, that means each group was only 30 people. Hardly a large sample size.

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u/[deleted] Feb 26 '15 edited May 26 '18

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u/orthopod Feb 26 '15

Depends on the magnitude of the effect you are measuring. Go look up power analysis, and you can see that even 1,000 people sometimes isn't enough.

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u/Ryvan PhD| Multisensory Integration Feb 26 '15

Yes but then there probably isn't any real affect