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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
  1. ASE, American Society of Echocardiography; BSA, body surface area; DBP, diastolic blood pressure.
  2. *2005 American Society of Echocardiography chamber quantification guidelines.
  3. 2010 American Society of Echocardiography pediatric measurements guidelines.
  4. Partial R2 represents explanatory power of each variable for aortic root diameter.