Table 3.

Maximum screw diameter and length estimated by the model in comparison to the reference. The results suggest agreement within 0.06 ± 3.48% for maximum length and within 6.7 ± 33.7% for maximum diameter.

	Maximum Diameter (mm)			Maximum Length (mm)
	Estimation	Reference	Deviation	Estimation	Reference	Deviation
T7T8 left	5.0 ± 1.1	5.5 ± 1.0	0.5 ± 0.6	41.2 ± 2.2	41.7 ± 3.8	0.6 ± 1.2
L3 left	8.2 ± 3.1	7.8 ± 2.2	1.6 ± 1.3	55.9 ± 7.5	54.8 ± 7.6	0.7 ± 1.9
L3 right	9.3 ± 3.0	8.8 ± 2.0	1.1 ± 1.0	55.5 ± 6.2	54.8 ± 6.6	0.9 ± 1.7