Table 2.

Image quality scores of patients’ datasets.

Likert score of image quality of patients’ datasets
	Group 1 standard protocol			Repeated measures ANOVA	Group 2 low-dose protocol			Repeated measures ANOVA	Standard vs. low-dose protocol group repeated measure ANOVA	Student’s t-test
	Reader 1	Reader 2	Reader 3	p	Reader 1	Reader 2	Reader 3	p	p	Mean value standard protocol group	Mean value low-dose protocol group	p
Likert score skull base	4.88 ± 0.34	4.96 ± 0.2	5	0.174	4.93 ± 0.25	4.92 ± 0.27	4.95 ± 0.22	0.405	0.146	4.94 ± 0.231	4.9 ± 3 0.250	0.708
Likert score thoracic spine	4.88 ± 0.34	4.83 ± 0.38	4.92 ± 0.28	0.651	4.84 ± 0.38	4.91 ± 0.29	4.91 ± 0.29	0.073	0.352	4.88 ± 0.333	4.89 ± 0.322	0.765
Likert score pelvis	4.96 ± 0.2	4.96 ± 0.2	4.92 ± 0.28	0.779	4.94 ± 0.24	4.93 ± 0.26	4.95 ± 0.21	0.531	0.224	4.94 ± 0.231	4.94 ± 0.238	0.882
Likert score distal femora	5	5	5	–	4.95 ± 0.21	4.97 ± 0.16	4.96 ± 0.19	0.494	0.416	5	4.96 ± 0.189	0.097