Table 3.

A Comparison of Average Within-Subject Reproducibility of the Six Subjects Quantified by ICC(2,1) when the Inter-Regional Correlation Was Calculated Using Functionally Connected Voxels and All Voxels in the Predefined ROIs of Different Sizes

	Sub 1	Sub 2	Sub 3	Sub 4	Sub 5	Sub 6
Connected voxels	0.6	0.78	0.42	0.48	0.56	0.65
ROI: 6 × 6 × 6 mm3	0.3	0.57	0.25	0.32	0.3	0.35
ROI: 10 × 10 × 10 mm3	0.36	0.62	0.29	0.36	0.34	0.4
ROI: 14 × 14 × 14 mm3	0.42	0.65	0.31	0.38	0.36	0.43
ROI: 18 × 18 × 18 mm3	0.45	0.66	0.36	0.41	0.39	0.47

ICC, intra-class correlation coefficient.