Table 2. The comparison of test-taking times (seconds) between the two groups.

Sites	Traditional radiographic image group	3D printed model group	T	P
Upper limb	193.2±40.2	189.3±29.5	0.523	0.603
Lower limb	190.8±42.6	188.2±31.1	0.325	0.746
Pelvis	295.8±49.4	246.4±38.9	5.269	<0.001
Spine	270.3±54.3	237.9±42.9	3.136	0.002