Figure 8: Model Structure.

Abbreviations: CHADS₂DS₂VASc, Congestive heart failure, Hypertension, Age ≥ 75 years (2 points), Diabetes mellitus, Stroke or transient ischemic attack symptoms previously (2 points), Vascular disease, Age 65–74 years, Sex category; HAS-BLED, Hypertension, Abnormal renal and liver function, Stroke, Bleeding, Labile international normalized ratios (INRs), Elderly, Drugs or alcohol; LAAC device, left atrial appendage closure device with delivery system; TIA, transient ischemic attack.

^aCHA₂DS_2-VASc score predicts risk of thromboembolic events.

^bHAS-BLED score predicts risk of hemorrhagic events.

^cHistory of events alters risk, utilities, and costs.