OpenIntro Statistics Dataset - stent365

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dataset-932164832.csv 9.56 KB
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No license (All rights reserved)

This dataset was taken from the list of OpenIntro dataset files found at

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An experiment that studies effectiveness of stents in treating patients atrisk of stroke with some unexpected results. These data represent theresults 365 days after stroke.


  • group - a factor with levels control and treatment
  • outcome - a factor with levels no event and stroke


Chimowitz MI, Lynn MJ, Derdeyn CP, et al. 2011. Stenting versusAggressive Med- ical Therapy for Intracranial Arterial Stenosis. New EnglandJournal of Medicine 365:993- NY Times article reporting onthe study:

Taken from:

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