Table 1.

Methods agreement to the drill size

Absolute agreement with drill size
		ICC α	95% CI β
2D CT	Mean	0.922	[0.713 to 0.97]
	Coronal	0.876	[0.711 to 0.942]
	Axial	0.907	[0.548 to 0.968]
	Sagittal	0.876	[0.759 to 0.936]
3D Model	Best fit transverse section	0.899	[0.784 to 0.938]
	Best fit cylinder	0.745	[0.553 to 0.862]
	Wall Thickness	−0.004	[−0.081 to 0.12]

Shows the intraclass correlation coefficient (ICC) and respective confidence intervals range ([95%CI]) for the CT and 3D model first measurements compared to the drill sizes.

^αICC (intraclass correlation coefficient).

^β95% CI (95% confidence intervals range).