Cardiovascular Ultrasound

Table 3 Associations between clinical characteristics and aortic root diameters measured by 2005 American society of echocardiography chamber quantification guidelines and 2010 American society of echocardiography pediatric measurements guidelines by multiple linear regression analysis

From: Comparative measurement of aortic root by transthoracic echocardiography in normal Korean population based on two different guidelines

	2005 ASE^*			2010 Pediatric^†
	β ± SE	R² ^‡	P	β ± SE	R² ^‡	P
Annulus
Age	0.002 ± 0.001	0.013	0.23	0.001 ± 0.001	0.007	0.38
BSA	0.570 ± 0.152	0.116	<0.01	0.478 ± 0.128	0.116	<0.01
Gender	0.140 ± 0.053	0.063	0.01	0.147 ± 0.044	0.094	<0.01
DBP	0.001 ± 0.002	0.002	0.59	0.001 ± 0.002	0.002	0.66
Sinuses of Valsalva
Age	0.013 ± 0.002	0.236	<0.01	0.011 ± 0.002	0.213	<0.01
BSA	0.531 ± 0.228	0.048	0.02	0.433 ± 0.215	0.036	0.05
Gender	0.531 ± 0.228	0.102	<0.01	0.260 ± 0.074	0.102	<0.01
DBP	0.003 ± 0.003	0.009	0.30	0.002 ± 0.003	0.008	0.35
Sinotubular junction
Age	0.013 ± 0.002	0.307	<0.01	0.011 ± 0.002	0.252	<0.01
BSA	0.373 ± 0.194	0.033	0.06	0.345 ± 0.190	0.030	0.07
Gender	0.187 ± 0.067	0.067	0.01	0.183 ± 0.066	0.068	0.01
DBP	0.002 ± 0.002	0.009	0.31	0.000 ± 0.002	0.000	0.96
Ascending aorta
Age	0.019 ± 0.002	0.370	<0.01	0.017 ± 0.002	0.326	<0.01
BSA	0.368 ± 0.245	0.021	0.14	0.361 ± 0.239	0.021	0.13
Gender	0.051 ± 0.085	0.003	0.55	0.089 ± 0.083	0.011	0.28
DBP	0.007 ± 0.003	0.059	0.01	0.004 ± 0.003	0.023	0.12

ASE, American Society of Echocardiography; BSA, body surface area; DBP, diastolic blood pressure.
^*2005 American Society of Echocardiography chamber quantification guidelines.
^†2010 American Society of Echocardiography pediatric measurements guidelines.
^‡Partial R² represents explanatory power of each variable for aortic root diameter.

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ISSN: 1476-7120

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