Statistical Evaluations of the Reproducibility and Reliability of 3-Tesla High Resolution Magnetization Transfer Brain Images: A Pilot Study on Healthy Subjects

Table 11

Sensitivity analysis of 6 different intraobserver ICCs.

Region of Interest	ICC (1,1)	ICC (2,1)	ICC (3, 1)	ICC (1, 𝑘)	ICC (2, 𝑘)	ICC (3, 𝑘)
Intraobserver for Observer 1
Genu	0.537	0.537	0.537	0.699	0.699	0.699
Splenium	0.590	0.579	0.598	0.742	0.733	0.749
Left Hippocampus	0.531	0.544	0.520	0.694	0.705	0.684
Left Caudate	0.704	0.696	0.709	0.826	0.821	0.830
Left Putamen	0.942	0.946	0.940	0.970	0.972	0.969
Left Thalamus	0.481	0.484	0.479	0.650	0.653	0.647
Left Cerebral White Matter	0.550	0.539	0.560	0.710	0.701	0.718
Right Hippocampus	0.426	0.439	0.411	0.597	0.610	0.582
Right Caudate	0.470	0.467	0.473	0.640	0.637	0.643
Right Putamen	0.657	0.654	0.659	0.793	0.791	0.795
Right Thalamus	0.696	0.711	0.687	0.821	0.831	0.814
Right Cerebral White Matter	0.582	0.596	0.570	0.736	0.747	0.727
Intraobserver ICC for Observer 2
Genu	0.563	0.572	0.555	0.720	0.728	0.714
Splenium	0.760	0.767	0.756	0.864	0.868	0.861
Left Hippocampus	0.607	0.623	0.596	0.756	0.767	0.747
Left Caudate	0.365	0.367	0.362	0.535	0.537	0.531
Left Putamen	0.790	0.800	0.784	0.883	0.889	0.879
Left Thalamus	0.632	0.645	0.622	0.774	0.784	0.767
Left Cerebral White Matter	0.712	0.726	0.703	0.832	0.841	0.826
Right Hippocampus	0.829	0.835	0.826	0.907	0.910	0.905
Right Caudate	0.432	0.429	0.436	0.603	0.601	0.607
Right Putamen	0.667	0.682	0.657	0.800	0.811	0.793
Right Thalamus	0.298	0.294	0.308	0.459	0.455	0.471
Right Cerebral White Matter	0.777	0.789	0.770	0.875	0.882	0.870