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Figure 3 Twenty-four-month estimates of survival and event rates after index Doppler echocardiogram by Kaplan-Meier analysis. Groups were stratified according to restrictive mitral flow (group 1), nonrestrictive mitral flow with a ARd-Ad 30 ms (group 2) and nonrestrictive mitral flow with ARd-Ad <30 ms (group 3). (A) Rates of survival free from cardiac mortality. (B) Rates of cardiac event-free survival. (C) Rates of freedom from heart failure.