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Figure 2 Probability of ACA or LQTS-Related Death
Kaplan-Meier estimate of the cumulative probability of aborted cardiac arrest (ACA) or long QT syndrome (LQTS)-related sudden death (syncope excluded) after age 18 years among mutation-carrying subjects on the basis of: (A) corrected QT interval; (B) number of cardiac events before age 18 years; (C) gender; and (D) genotype. The p value was computed with the log-rank test and is unadjusted for covariates. The numbers of subjects remaining at risk are given at 5-year intervals beginning at age 25 years, with the numbers in parentheses indicating the cumulative probability of a cardiac event at the specified age.
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