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Figure 2 Incidence of congestive heart failure (CHF) in asymptomatic patients after myocardial infarction according to the degree of mitral regurgitation measured by effective regurgitant orifice (ERO) 20 mm2 (continuous line), 1 to 19 mm2 (dotted line), and absent mitral regurgitation (ERO = 0) (dashed line) at diagnosis. The event rates at five years are indicated ± the standard error.
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