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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: JACC Heart Fail. 2014 Sep 3;2(5):447–454. doi: 10.1016/j.jchf.2014.05.008

Figure 1. Incident heart failure according to categories of ankle brachial index in the ARIC study.

Figure 1

A: Cumulative incidence plot for heart failure according to ankle brachial index.

B: Risk of incident heart failure according to ABI as a continuous variable in the ARIC study.

ABI of 1.2 was reference value for restricted cubic spline analysis. Solid blue line indicates hazard ratio, with dashed lines indicating 95% confidence interval.

Hazard ratio adjusted for age, sex, race, center, coronary heart disease, anti-hypertensive medication use, systolic blood pressure, diabetes mellitus, body mass index, smoking status, and heart rate. Inset table shows adjusted hazard ratios for categories of ABI as compared to an ABI of 1.11–1.20.