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Table 6 Interobserver comparison of aortic diameters measured by two different echocardiography guidelines

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

  Observer1 Observer2 Difference ICC
    Mean ± SD P *  
2005 ASE
Annulus 2.42 ± 0.19 2.44 ± 0.21 −0.02 ± 0.12 0.49 0.83
Sinuses of Valsalva 3.24 ± 0.31 3.27 ± 0.29 −0.03 ± 0.10 0.24 0.94
Sinotubular junction 2.62 ± 0.25 2.78 ± 0.34 −0.17 ± 0.29 0.02 0.45
Ascending aorta 2.73 ± 0.37 2.94 ± 0.39 −0.21 ± 0.39 0.03 0.43
2010 ASE pediatric
Annulus 2.25 ± 0.18 2.20 ± 0.17 0.06 ± 0.17 0.16 0.47
Sinuses of Valsalva 3.13 ± 0.30 3.19 ± 0.27 −0.06 ± 0.13 0.05 0.89
Sinotubular junction 2.60 ± 0.26 2.71 ± 0.30 −0.12 ± 0.13 <0.01 0.82
Ascending aorta 2.96 ± 0.41 2.98 ± 0.40 −0.03 ± 0.21 0.61 0.87
  1. ASE American Society of Echocardiography, ICC intraclass correlation coefficient.
  2. Data are expressed as mean ± SD.
  3. * P values were obtained by paired t test.
  4. 2005 American Society of Echocardiography chamber quantification guidelines.
  5. 2010 American Society of Echocardiography pediatric measurements guidelines.