266,436
Participants
Start Date
January 31, 2004
Primary Completion Date
December 31, 2013
Study Completion Date
December 31, 2013
stroke or myocardial infarction or pneumonia
There are three main exposure groups with exposure defined as a binary variable (yes/no): Stroke in the six months prior to surgery; Myocardial infarction in the six months prior to surgery; Pneumonia in the six months prior to surgery
University of Wisconsin, Madison
OTHER
University of Nottingham
OTHER