Prediction of risk for first age-related cardiovascular events in an elderly population: the incremental value of echocardiography
Teresa S. M. Tsang, MD, FACC*,*,
Marion E. Barnes, MSc*,
Bernard J. Gersh, MB, ChB, DPhil, FACC*,
Yasuhiko Takemoto, MD*,
A. Gabriela Rosales, MS ,
Kent R. Bailey, PhD and
James B. Seward, MD, FACC*
* Division of Cardiovascular Diseases and Internal Medicine, Rochester, Minnesota, USA
Section of Biostatistics, Mayo Clinic, Rochester, Minnesota, USA

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Figure 1 Kaplan-Meier estimates of cumulative event-free survival for the study population.
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Figure 2 Comparison of Kaplan-Meier estimates of cumulative event-free survival between the study population and the prospective validation cohort, stratified by risk groups.
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