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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Ann Thorac Surg. 2011 Jan;91(1):165–171. doi: 10.1016/j.athoracsur.2010.10.034

Table 2.

Intraobserver Comparison

Variable Acquisition 1 Mean ± SD Acquisition 2 Mean ± SD p Value Correlation Coefficient (R) % Difference Mean ± SD
Commissural width (mm) 32.67 ± 2.58 33.47 ± 4.89 0.73 0.93 4.81 ± 5.09
Septolateral dimension (mm) 28.86 ± 2.97 27.89 ± 2.35 0.54 0.54 6.49 ± 5.97
Mitral transverse diameter (mm) 34.65 ± 3.12 34.47 ± 4.24 0.93 0.92 4.17 ± 2.95
Mitral annular area (mm2) 771.12 ± 161.87 757.06 ± 177.13 0.89 0.88 7.55 ± 9.24
Annular circumference (mm) 112.18 ± 20.20 104.80 ± 11.28 0.45 0.87 6.76 ± 7.54

SD = standard deviation.