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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 1.

Interobserver Comparison

Variable Observer 1 Mean ± SD Observer 2 Mean ± SD p Value Correlation Coefficient (R) % Difference Mean ± SD
Commisural width (mm) 33.52 ± 3.17 34.26 ± 3.65 0.67 0.83 4.82 ± 3.00
Septolateral dimension (mm) 29.21 ± 1.42 29.96 ± 3.72 0.60 0.81 7.61 ± 4.46
Mitral transverse diameter (mm) 35.02 ± 2.59 35.72 ± 3.38 0.65 0.91 3.40 ± 2.71
Mitral annular area (mm2) 803.53 ± 101.93 825.33 ± 174.84 0.77 0.88 9.00 ± 7.13
Annular circumference (mm) 107.69 ± 6.45 113.90 ± 17.58 0.36 0.80 7.47 ± 6.57

SD = standard deviation.