Table 1. Percent of Cases or Controls Undergoing Surgery Within 30 Days Before the Stroke/Index Date*
* There were 17 (1.2%) controls and 59 (4.1%) cases that underwent one or more surgical procedures in the 30-day period before the index date.
† Five cases included in the general surgery group underwent multiple general surgeries in the 30 days prior to their stroke date (three patients underwent two general surgeries and two patients underwent three general surgeries).
‡ One case included in the vascular surgery group underwent both a vascular surgery and an orthopedic surgery in the 30 days before their stroke date.