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So, if a drug company, (lets take Biogen as an example), says that there are 47% less attacks on Tysabri, this article points out how that tells you very little about the benefit of Tysabri. It can mask the real data which might show that it is far less effective than that.
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On the "old" BT forum, Mark looked at the CRAB stats and compared them with what Biogen has been touting with Tysabri. He came up with a number that said Tysabri was only about 12% more effective than the CRABs.
Now after reading this article comparing relative and absolute numbers, does anyone really think that Biogen is being truthful about the efficacy of Tysabri?
Harry