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. 2009 Mar 11;18(5):679–686. doi: 10.1007/s00586-009-0919-7

Table 2.

The measures determined in the unloaded and loaded spines, the mean value of five repeat measurements in five different subjects, the standard deviation (SD), coefficient of variation (CV%) and the intra class correlation coefficient (ICC) for each examiner (A and B)

Measure Examiner A Examiner B
Mean SD CV (%) ICC Mean SD CV (%) ICC
Sagittal disc bulge (mm) 3.75 0.36 10.2 0.97 2.75 0.74 48.1 0.80
Loaded Sagittal disc bulge (mm) 4.17 0.41 11.0 0.97 3.26 0.74 19.6 0.83
Spinal canal csa (mm2) 219.0 8.14 4.12 0.98 227.0 9.21 4.59 0.98
Loaded spinal canal csa (mm2) 199.0 8.41 4.66 0.98 212.0 10.5 5.46 0.97
Lig flavum thickness dx (mm) 4.84 0.31 6.54 0.64 4.13 0.47 11.7 0.41
Loaded lig flavum thickness dx (mm) 5.17 0.39 7.55 0.63 4.58 0.53 11.6 0.43
Lig flavum thickness sin (mm) 5.45 0.26 4.66 0.92 4.01 0.44 10.8 0.34
Loaded lig flavum thickness sin (mm) 5.90 0.32 5.60 0.63 4.25 0.56 13.3 0.64
Lig flavum csa dx (mm2) 78.0 5.49 7.20 0.75 57.0 6.22 11.4 0.71
Loaded lig flavum csa dx (mm2) 86.0 8.09 9.49 0.73 62.0 6.11 10.0 0.59
Lig flavum csa sin (mm2) 75.0 4.97 6.98 0.90 49.0 6.52 13.7 0.70
Loaded lig flavum csa sin (mm2) 80.0 5.71 7.29 0.85 54.0 7.34 13.8 0.63
Inter vertebral angle (degree) 5.27 0.98 20.7 0.92 3.78 1.12 39.8 0.79
Loaded inter vertebral angle (degree) 7.76 1.21 18.2 0.77 5.43 1.13 29.7 0.82