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Figure 2 (A) Receiver operating characteristic curve comparing sensitivity and specificity of the baseline PQ interval and the presence of an SCN5A-mutation. Select PQ intervals are indicated. Below are positive predictive value and negative predictive value of various cut points of PQ interval. (B) Receiver operating curve comparing sensitivity and specificity of the His to ventricle interval (HV) and the presence of an SCN5A mutation. Select HV intervals are indicated. Below are positive predictive value and negative predictive value of various cut points of HV interval. AUC = area under the curve.
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