Excel file containing individual participant data from three randomised controlled trials comparing stenting/angioplasty with medical treatment in patients with vertebral artery stenosis.

Individual patient data for VIST and VAST were obtained from the trial investigators, and individual patient data for SAMMPRIS were obtained from the National Institutes of Health (NIH) National Institute of Neurological Disorders and Stroke (NINDS) clinical trial data portal (https://clinicaltrials.gov/ct2/show/NCT00576693).

A data dictionary is provided within the Excel file that describes the variables contained in the dataset. All personally identifiable information has been removed from the file.