Measurements of bone tunnel size in anterior cruciate ligament reconstruction: 2D versus 3D computed tomography model

Journal of Experimental Orthopaedics

Table 2 Intra-rater agreement on CT and 3D measurements

Intra-rater absolute agreement
		ICC^α	95% CI^β
2D CT	Mean	0.969	[0.941 to 0.984]
	Coronal	0.949	[0.903 to 0.974]
	Axial	0.947	[0.899 to 0.973]
	Sagittal	0.949	[0.903 to 0.974]
3D Model	Best fit Transverse Section	0.999	[0.998 to 0.999]

Shows the intraclass correlation coefficient (ICC) and respective confidence intervals range ([95%CI]) between the first and second measurements performed with the CT and 3D best fit circle methods.
^αICC (intraclass correlation coefficient).
^β95% CI (95% confidence intervals range).