Table 2.

Test–retest estimates of network metrics derived from resting-state functional MRI (coarse parcellation)

Metric	Mean (Std)	Pearson	Repeatability coefficient	ICC (95% CI)	RMS CoV	95% CL change (%)
Degree	277.14 (70.25)	0.92	55.12	0.92 (0.83–0.96)	0.05	13.4
Strength	108.43 (69.61)	0.95	42.27	0.95 (0.9–0.98)	0.10	17.4
Density	0.72 (0.16)	0.90	0.14	0.9 (0.78–0.95)	0.05	13.5
CPL	3.5 (1.05)	0.94	0.74	0.94 (0.87–0.97)	0.06	15.5
CPL (norm)	1.17 (0.08)	0.88	0.08	0.88 (0.74–0.94)	0.02	4.4
Efficiency	0.9 (0.05)	0.89	0.05	0.89 (0.77–0.95)	0.01	4.0
Efficiency (norm)	0.76 (0.14)	0.94	0.10	0.94 (0.86–0.97)	0.04	9.8
Clustering coeff.	0.29 (0.17)	0.96	0.10	0.95 (0.9–0.98)	0.09	15.4
Clustering coeff. (Norm)	1.04 (0.04)	0.83	0.04	0.83 (0.66–0.92)	0.01	2.8
Modularity	0.13 (0.06)	0.87	0.06	0.87 (0.74–0.94)	0.14	18.1
Modularity (norm)	5.4 (1.56)	0.95	1.00	0.95 (0.89–0.98)	0.05	12.9
Small worldness	0.12 (0.14)	0.97	0.07	0.96 (0.92–0.98)	0.14	19.7
Small worldness (norm)	0.89 (0.04)	0.89	0.04	0.89 (0.76–0.95)	0.01	3.1

CI, confidence interval; CL, confidence limit; coeff., coefficient; CPL, characteristic path length; ICC, intraclass correlation coefficient; norm, normalized; Pearson, Pearson correlation coefficient; RMS CoV, root-mean-square coefficient of variation; Std, standard deviation.

Data presented here reflect connection matrices thresholded only by p-value (0.05 corrected).