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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2015 Jul 4;24(9):1991–1997. doi: 10.1016/j.jstrokecerebrovasdis.2015.04.044

Table 3.

Harrell’s C-index for Framingham Stroke Risk Score

HR (95%CI) P-value C-index (95%CI)
ECG-LVH 1.65 (1.21, 2.24) 0.0015 0.786 (0.725, 0.841)
Echo-LVH 1.39 (1.05, 1.85) 0.024 0.786 (0.725, 0.841)
ECG- or echo-LVH 1.43 (1.12, 1.82) 0.0038 0.785 (0.724, 0.841)
*

Age, systolic blood pressure, antihypertensive medications, diabetes, smoking, prior cardiovascular disease, atrial fibrillation.

CI=confidence interval; ECG-LVH=electrocardiographic left ventricular hypertrophy; echo-LVH=echocardiographic left ventricular hypertrophy; HR=hazard ratio.