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Table 4 Associations between body surface area and aortic root diameters measured by 2005 American society of echocardiography chamber quantification guidelines and 2010 American society of echocardiography pediatric measurements guidelines according to age groups by 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
  β0 β1 SD R2 β0 β1 SD R2
20-29 yr
 Annulus 0.39 1.11 0.28 0.67 0.29 1.06 0.26 0.73
 Sinuses of Valsalva 0.32 1.53 0.39 0.66 0.48 1.38 0.34 0.70
 Sinotubular junction 0.40 1.15 0.32 0.54 0.78 0.95 0.25 0.59
 Ascending aorta 1.25 0.61 0.27 0.21 1.04 0.89 0.28 0.43
30-39 yr
 Annulus 0.47 1.06 0.29 0.58 0.63 0.88 0.24 0.59
 Sinuses of Valsalva 0.98 1.28 0.40 0.44 1.08 1.15 0.34 0.48
 Sinotubular junction 1.30 0.68 0.25 0.33 1.26 0.74 0.24 0.39
 Ascending aorta 1.01 0.86 0.30 0.36 1.71 0.61 0.26 0.24
40-49 yr
 Annulus 0.03 1.30 0.23 0.73 0.42 0.99 0.20 0.52
 Sinuses of Valsalva −0.07 1.89 0.40 0.50 0.26 1.63 0.38 0.41
 Sinotubular junction −0.09 1.56 0.35 0.44 0.49 1.20 0.29 0.38
 Ascending aorta 0.86 1.00 0.30 0.25 0.85 1.16 0.31 0.32
50-59 yr
 Annulus 1.74 0.37 0.19 0.08 1.26 0.54 0.16 0.26
 Sinuses of Valsalva 2.24 0.66 0.28 0.13 2.32 0.52 0.28 0.08
 Sinotubular junction 1.75 0.59 0.24 0.14 1.45 0.71 0.25 0.18
 Ascending aorta 1.68 0.73 0.39 0.08 2.02 0.66 0.34 0.08
60-69 yr
 Annulus 1.31 0.61 0.21 0.18 1.31 0.49 0.21 0.12
 Sinuses of Valsalva 2.60 0.49 0.35 0.04 2.50 0.46 0.33 0.04
 Sinotubular junction 2.25 0.35 0.27 0.04 2.81 0.01 0.30 0.00
 Ascending aorta 2.74 0.17 0.29 0.01 3.03 0.10 0.33 0.00
  1. ASE, American Society of Echocardiography.
  2. *2005 American Society of Echocardiography chamber quantification guidelines.
  3. 2010 American Society of Echocardiography pediatric measurements guidelines.