Table 3:

Intrarater agreement relative to image-quality assessment with the Kendall τ correlation coefficients

Visibility of	ROI-DRI Applied	Rater 1	Rater 2	Rater 1		Rater 2
Visibility of	ROI-DRI Applied	(f) (%)	(f) (%)	Kendall τ	P Value	Kendall τ	P Value
C1	Yes	8 (80)	10 (100)	0.52381	.12	1.00000	.0027^{^a}
C1	No	10 (100)	8 (80)	1.00000	.001^{^a}	0.37500	.2606
C2	Yes	7 (70)	7 (70)	0.59423	.06	0.40825	.2207
C2	No	5 (50)	9 (90)	0.32418	.31	0.66667	.0455^{^a}
C3	Yes	7 (70)	8 (80)	0.59588	.06	0.54571	.0935
C3	No	10 (100)	8 (80)	1.00000	.001^{^a}	0.54571	.0935
C4	Yes	7 (70)	5 (50)	0.58926	.06	0.27217	.4142
C4	No	6 (60)	9 (90)	0.61721	.05	0.66667	.0455^{^a}
C5	Yes	9 (90)	10 (100)	0.31851	.32	1.00000	.0027^{^a}
C5	No	9 (90)	7 (70)	0.72761	.02^{^a}	0.16667	.6171
C6	Yes	26 (86.7)	20 (66.7)	0.71659	<.001^{^a}	0.56984	.0012^{^a}
C6	No	26 (86.7)	15 (50)	0.69942	<.001^{^a}	0.39829	.0295^{^a}
C7	Yes	9 (90)	7 (70)	0.84270	.007^{^a}	−0.16667	.6171
C7	No	8 (80)	8 (80)	0.76376	.01^{^a}	0.62554	.0528
C8	Yes	9 (90)	8 (80)	0.80178	.01^{^a}	0.66667	.0455^{^a}
C8	No	7 (70)	8 (80)	0.21822	.51	0.65465	.0495^{^a}