1. Reasons for warfarin discontinuation in the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation (ORBIT-AF) 
Emily C. O’Brien, PhD, DaJuanicia N. Simon, MS, Larry A. Allen, MD, MHS, Daniel E. Singer, MD, MA, Gregg C. Fonarow, MD, Peter R. Kowey, MD, Laine E. Thomas, PhD, Michael D. Ezekowitz, MD, Kenneth W. Mahaffey, MD, Paul Chang, MD, Jonathan P. Piccini, MD, MHS, Eric D. Peterson, MD, MPH 
American Heart Journal 
Volume 168, Issue 4, Pages (October 2014)
DOI: /j.ahj
Copyright © 2014 The Authors Terms and Conditions

2. Figure 1 Factors associated with warfarin discontinuation.*.
This figure displays factors associated with warfarin discontinuation over 12 months of follow-up.
*Multivariable pooled logistic regression using generalized estimating equations.
American Heart Journal  , DOI: ( /j.ahj )
Copyright © 2014 The Authors Terms and Conditions

3. Figure 2
Factors associated with warfarin discontinuation among prevalent users. *This figure displays factors associated with warfarin discontinuation over 12 months among prevalent warfarin users. *Prevalent warfarin users defined as patients who had been taking warfarin for ≥1 year. †Multivariable pooled logistic regression using generalized estimating equations.
American Heart Journal  , DOI: ( /j.ahj )
Copyright © 2014 The Authors Terms and Conditions

4. Figure 3 Factors associated with event-related* discontinuation.
This figure displays factors associated with event-related warfarin discontinuation over 12 months of follow-up.
*Event-related reasons included allergy, pregnancy, comorbid illness, prior intracranial hemorrhage, and bleeding event.
†Multivariable proportional odds model using generalized estimating equations.
American Heart Journal  , DOI: ( /j.ahj )
Copyright © 2014 The Authors Terms and Conditions