Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Hazard ratios of smoking status on the risk of ischemic stroke, fatal ischemic stroke, death from cerebrovascular events, and all-cause death according to their OAC treatment status. * With current smokers as the reference group. IR, per 1000 person-years. Abbreviation: CI, confidence interval; HR, hazard ratio; IR, incidence rate; OAC, oral anticoagulation; p int, p for interaction.
