. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: J Am Geriatr Soc. 2016 Nov 12;65(1):35–41. doi: 10.1111/jgs.14516

Table 4.

Association Between Time-varying Warfarin Use and Thromboembolism in Adults with Atrial Fibrillation by Age Group (Cause-specific and Subdistribution Hazards)

	Cause-Specific Hazard Ratio ^a	Subdistribution Hazard Ratio ^a
< 65 years	1.08 (0.90–1.30)	1.07 (0.73–1.57)
65–74 years	0.66 (0.59–0.73)	0.96 (0.77–1.20)
75–84 years	0.57 (0.52–0.62)	0.76 (0.63–0.92)
≥ 85 years	0.62 (0.53–0.72)	0.91 (0.63–1.31)

Adjusted hazard ratio for thromboembolism adjusting for age, gender, race, prior stroke, diabetes, coronary disease, peripheral artery disease, hypertension, significant kidney dysfunction, proteinuria