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Figure 4 Kaplan-Meier Survival Curve Showing Event-Free Survival as a Function of LA Size and SE Results
The number of patients at risk for each follow up period is given below the graph. An abnormal left atrial (LA) size (indexed) was able to effectively further risk stratify both the normal (NL) and abnormal (Abn) stress echocardiography (SE) subgroups.
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