Table 3.

Univariate and multivariable linear regression of determining factors of LA diameter in MetS group

	Univariate linear regression			Multivariable linear regressiona
	Regression coefficient	95% confidence interval	p value	Regression coefficient	95% confidence interval	T	p value
Age	−0.003	(−0.018, 0.012)	0.684
Hypertension	0.480	(0.298, 0.661)	< 0.001*
Diabetes mellitus	0.330	(0.137, 0.523)	0.001*
BMI	0.053	(0.02, 0.087)	0.02*
Waist circumference	0.027	(0.015, 0.039)	< 0.001*	0.028	(0.015, 0.040)	4.544	< 0.001*
Hip circumference	0.02	(0.004, 0.035)	0.012*
Systolic BP	−0.002	(−0.008, 0.005)	0.646
Diastolic BP	0.000	(−0.009, 0.01)	0.949
Heart rate	−0.005	(− 0.015, 0.005)	0.34
Triglycerides	< 0.001	(−0.001, 0.002)	0.662
HDL-C	−0.009	(− 0.024, 0.005)	0.187
VLDL-χ	0.258	(0.034, 0.482)	0.024*	0.225	(0.025, 0.425)	2.25	0.028*
LVEDD	0.166	(−0.52, 0.385)	0.134
LVEDV	0.005	(0.002, 0.009)	0.005*
EF	0.018	(−0.00, 0.037)	0.067
E/E’ med	−0.015	(−0.067, 0.037)	0.567
E/E’ lat	−0.008	(−0.085, 0.068)	0.828
				Model adjusted R-square
				0.37

^aHierarchical multivariable linear regression in stepwise method with variables including age, hypertension, diabetes mellitus, body mass index (BMI), waist circumference, hip circumference, systolic blood pressure (BP), diastolic BP, heart rate, triglycerides, very-low-density lipoprotein (VLDL)-χ, high-density lipoprotein cholesterol (HDL-C), left ventricle end-diastolic dimension (LVEDD), left ventricle end-diastolic volume (LVEDV), ejection fraction (EF), ratio of mitral flow E velocity and tissue Doppler E’ velocity of the medical and lateral mitral ring, i.e., E/E’ med and E/E’ lat