Table 2.

Risk for Sudden Cardiac Death, Associated With Mean Spatial TT′ Angle

Model	Hazard Ratio (95% CI)	P Value
1	1.117 (1.075 to 1.129)	<0.0001
2	1.090 (1.049 to 1.133)	<0.0001
3	1.089 (1.044 to 1.137)	<0.0001

Model 1 adjusted for age, sex, race, and study center. Model 2 additionally adjusted for cardiovascular disease, use of β‐blockers, use of antihypertensive medications, systolic blood pressure, diabetes, smoking status, total cholesterol, high‐density lipoprotein cholesterol, triglycerides, albumin, body mass index, leisure activity index, alcohol use, sodium level, and magnesium level. Model 3 additionally adjusted for heart rate, corrected QT interval, spatial QRS‐T angle, QRS axis, T‐wave axis, and spatial T‐vector magnitude. TT′ angle indicates angle between consecutive T‐wave vectors.