Accuracy and Precision of Three-Dimensional Low Dose CT Compared to Standard RSA in Acetabular Cups: An Experimental Study

Table 2

Accuracy for 3D CT.

	2.57 RMS	Mean	Min	Max
Uncemented cup
Translation (mm)
	0.29	0.05	−0.11	0.19
	0.28	−0.06	−0.13	0.05
	0.32	0.04	−0.06	0.26
Rotation (d)
	0.82	−0.15	−0.56	0.17
	0.71	−0.18	−0.52	0.06
	0.43	−0.04	−0.22	0.10
Cemented cup
Translation (mm)
	0.19	0.01	−0.17	0.17
	0.07	0.01	−0.08	0.07
	0.08	0.00	−0.10	0.07
Rotation (d)
	0.21	0.01	−0.15	0.28
	0.44	0.05	−0.43	0.49
	0.26	−0.01	−0.33	0.22