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Description:

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

Variables:

• group - a factor with levels control and treatment

• outcome - a factor with levels no event and stroke

Link To Google Sheets:

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Source

Chimowitz MI, Lynn MJ, Derdeyn CP, et al. 2011. Stenting versus Aggressive Med- ical Therapy for Intracranial Arterial Stenosis. New England Journal of Medicine 365:993- 1003. www.nejm.org/doi/full/10.1056/NEJMoa1105335. NY Times article reporting on the study: www.nytimes.com/2011/09/08/health/research/08stent.html.

R Dataset Upload:

Use the following R code to directly access this dataset in R.

R Coding Interface: