Table 2 –

Summary of individual structure image quality assessment by 3 individual radiologists using an ordinal scale (mean ± SD, N = 76 per sequence).

Structure	Rater	SPACE	CS SPACE	P-valuea	95% Limitb
AICA	1	4.9 ± 0.2	4.5 ± 0.5	< 0.001	0.251
	2	4.1 ± 0.4	4.0 ± 0.2	0.005	0.066
	3	3.9 ± 0.3	3.7 ± 0.5	0.018	0.059
CPA	1	4.9 ± 0.3	4.4 ± 0.5	< 0.001	0.349
	2	4.2 ± 0.4	4.0 ± 0.3	< 0.001	0.148
	3	3.9 ± 0.4	3.9 ± 0.4	0.675	−0.152
CNV	1	4.8 ± 0.4	4.2 ± 0.4	< 0.001	0.503
	2	4.2 ± 0.4	3.8 ± 0.4	< 0.001	0.213
	3	3.9 ± 0.2	3.5 ± 0.5	< 0.001	0.264
Cochlea	1	4.9 ± 0.3	4.4 ± 0.5	< 0.001	0.382
	2	4.2 ± 0.4	3.9 ± 0.2	< 0.001	0.158
	3	3.9 ± 0.2	3.9 ± 0.3	0.485	−0.055
IAC	1	4.2 ± 0.6	4.1 ± 0.6	0.394	−0.084
	2	3.8 ± 0.4	3.9 ± 0.4	0.732	−0.164
	3	3.6 ± 0.5	3.6 ± 0.6	1.000	−0.162
SCC	1	4.8 ± 0.6	4.4 ± 0.5	< 0.001	0.215
	2	4.1 ± 0.4	4.0 ± 0.2	0.004	0.067
	3	3.8 ± 0.4	3.9 ± 0.3	0.066	−0.243
Vestibule	1	4.9 ± 0.2	4.4 ± 0.5	< 0.001	0.436
	2	4.2 ± 0.4	4.0 ± 0.3	0.030	0.031
	3	4.0 ± 0.2	4.0 ± 0.1	0.789	−0.060

^aPaired sample Wilcoxon signed rank test not corrected for multiple comparisons.

^bThe 95% confidence interval for the difference between individual rating of CS SPACE and SPACE (where > 0 implies SPACE would be rated better).