Table 2.

Clinical and Conventional Echocardiographic Characteristics Associated with Indices of Cardiac Mechanics in African Americans^*

Characteristic	Absolute LS, %-units			Absolute GCS, %-units			GRS, %-units			e’ velocity, cm/s			SRE, 1/s
	β	SE	P-value	β	SE	P-value	β	SE	P-value	β	SE	P-value	β	SE	P-value
Age, per 10 y increase	−0.04	0.08	0.65	0.34	0.12	0.01	1.26	0.29	<0.0001	−0.51	0.03	<0.0001	−0.07	0.01	<0.0001
Female sex	−1.42	0.21	<0.0001	−1.21	0.32	0.0002	−0.62	0.76	0.42	0.09	0.10	0.34	−0.05	0.02	0.01
Hypertension	−0.88	0.21	<0.0001	0.31	0.32	0.34	0.43	0.76	0.57	−0.94	0.09	<0.0001	−0.14	0.02	<0.0001
SBP, per 10 mm Hg increase	−0.17	0.05	0.0008	−0.11	0.08	0.14	−0.11	0.18	0.55	−0.14	0.02	<0.0001	−0.03	0.00	<0.0001
DBP, per 10 mm Hg increase	−0.49	0.09	<0.0001	−0.37	0.14	0.01	0.05	0.33	0.87	−0.20	0.04	<0.0001	−0.04	0.01	<0.0001
Antihypertensive medication use	−0.64	0.21	0.003	0.41	0.31	0.20	0.70	0.75	0.34	−0.84	0.09	0.0001	−0.13	0.02	<0.0001
BMI, per 5 kg/m2 increase	−0.05	0.07	0.52	−0.04	0.10	0.72	−0.34	0.24	0.16	−0.03	0.03	0.36	0.00	0.01	0.58
Smoking	−0.50	0.21	0.02	−0.05	0.31	0.86	0.80	0.73	0.27	−0.28	0.09	0.003	−0.07	0.02	<0.0001
Fasting glucose, per 10 mg/dl increase	−0.06	0.02	0.01	−0.02	0.03	0.58	−0.06	0.08	0.42	−0.06	0.01	<0.0001	−0.01	0.00	0.01
LVMI, per 10 g/m2 increase	−0.23	0.05	<0.0001	−0.16	0.08	0.05	0.08	0.19	0.69	−0.14	0.02	<0.0001	−0.03	0.00	<0.0001
LVEF, per 5% decrease	−0.34	0.09	0.0003	−0.72	0.14	<0.0001	−0.23	0.33	0.49	0.08	0.04	0.07	−0.01	0.01	0.37

^*Adjusted for speckle-tracking analyst, study site, image quality, and familial relatedness