ECG T-Wave Morphologic Variations Predict Ventricular Arrhythmic Risk in Low- and Moderate-Risk Populations.

The net reclassification improvement and integrated discrimination improvement values showed a trend toward being significant (0.284 [ P =0.066] and 0.016 [ P =0.060], respectively; Table S9 ).

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However, although the addition of TMV to a model including sex, age, type 2 diabetes, prior revascularization, CCS class, left ventricular ejection fraction, left ventricular mass index, RR interval, T‐wave inversions, QRS duration, Tpe interval, and QTc interval significantly increased the C‐index, the increment in net reclassification improvement and integrated discrimination improvement values did not reach statistical significance (Table S9 ).

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