When treatments don't seem to work for a diagnosis we will often try to see if they work for particular subgroups. Sure, that's a thing, but that is a very difficult thing to determine that demands a very specific process. How have we done with subgroup analysis regarding low back pain? Have JW and Erik found the Ultimate Prime Number?! A systematic review reveals that the credibility of subgroup claims in low back pain trials was low. Saragiotto BT, Maher CG, Moseley AM, Yamato TP, Koes BW, Sun X, Hancock MJ.J Clin Epidemiol. 2016 Jun 10. pii: S0895-4356(16)30174-3. doi: 10.1016/j.jclinepi.2016.06.003. [Epub ahead of print] Due to copyright laws, unless the article is open source we cannot legally post the PDF on the website for the world to download at will. That said, if you are having difficulty obtaining an article, contact us. Music for PT Inquest: "The Science of Selling Yourself Short" by Less Than Jake Used by Permission
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