TABLE 1.

Performance results for all models.

Company Number	Model	ΔVolume Model-AAOP AAOP (%)	Radius % age of points within ±1.00mm of AAOP design	Radius Min error (mm)	Radius Max error (mm)	Radius Mean error (mm)	Radius s.d. of mean error (mm)	PT diameter Difference Model-AAOP (mm)
1	A	0.4	89	−3.1	5.1	0.0	0.7	3.6
1	B	−0.4	91	−4.8	7.7	−0.1	0.8	6.3
1	C	−0.4	91	−3.5	8.5	−0.1	0.8	3.4
2	A	0.6	89	−2.7	5.8	0.1	0.7	3.1
2	B	−0.3	93	−5.3	6.9	−0.1	0.7	1.8
2	C	0.1	96	−2.5	6.1	0.0	0.5	1.5
3	A	−1.1	85	−2.3	7.2	−0.3	0.8	2.9
3	B	−1.3	81	−4.8	4.5	−0.4	0.7	3.0
3	C	−1.2	88	−2.7	7.5	−0.3	0.7	1.9
4	A	0.8	86	−4.9	5.5	0.1	0.8	2.6
4	B	0.7	87	−6.5	8.3	0.2	0.9	8.8
4	C	1.3	91	−1.9	5.7	0.3	0.6	2.3
5	A	−0.8	68	−4.2	8.5	−0.3	1.2	3.6
5	B	−1.2	80	−4.7	11.7	−0.4	1.1	7.2
5	C	−10.6	40	−26.3	6.3	−2.4	5.0	−11.8
6	A	−0.1	90	−3.0	6.6	−0.1	0.7	3.4
6	B	−1.1	85	−5.7	8.0	−0.4	0.9	4.6
6	C	−0.9	92	−3.7	8.9	−0.2	0.7	2.2
7	A	0.0	86	−2.5	9.7	−0.1	0.9	2.9
7	B	−0.8	76	−7.1	9.8	−0.3	1.1	4.4
7	C	−0.9	90	−2.5	8.5	−0.3	0.7	2.1
8	A	−3.7	39	−4.3	11.8	−1.0	1.4	2.1
8	B	−1.7	78	−4.0	7.2	−0.5	0.8	2.2
8	C	−1.9	78	−3.8	11.0	−0.5	0.8	1.8
9	A	0.0	88	−3.6	5.4	−0.1	0.7	3.4
9	B	−2.0	65	−4.1	9.5	−0.6	1.0	5.6
9	C	−2.8	66	−3.1	7.8	−0.7	0.9	2.1
10	A	−0.3	91	−1.7	7.7	−0.1	0.7	2.6
10	B	−0.7	91	−6.7	7.9	−0.2	0.7	3.6
10	C	−0.9	95	−2.3	7.5	−0.2	0.5	1.1