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. Author manuscript; available in PMC: 2013 Jun 3.
Published in final edited form as: Hum Brain Mapp. 2008 Aug;29(8):958–972. doi: 10.1002/hbm.20440

TABLE II.

Variance components and reliability estimates for PSC

ROI extraction method Field Region Site Subject Site × Subject Visit Unexplained ICC_BETa ICC_T-Rb
Median 1.5 BV 0.003 0.036 0.001 0.007 0.010 0.72 0.80
1.5 LA 0.009 0.001 0.002 0.001 0.004 0.08 0.85
1.5 LM 0.005 0.002 0.002 0.001 0.006 0.16 0.77
1.5 RA 0.012 0.001 0.002 0.002 0.005 0.07 0.83
1.5 RM 0.008 0.000 0.002 0.003 0.004 0.02 0.74
1.5 SM 0.007 0.006 0.002 0.002 0.011 0.29 0.75
3 BV 0.027 0.060 0.011 0.011 0.024 0.52 0.85
3 LA 0.001 0.004 0.003 0.007 0.007 0.22 0.47
3 LM 0.002 0.009 0.006 0.006 0.010 0.37 0.66
3 RA 0.004 0.006 0.008 0.001 0.010 0.29 0.83
3 RM 0.001 0.002 0.007 0.004 0.010 0.14 0.62
3 SM 0.000 0.008 0.016 0.007 0.020 0.22 0.68
Maximum 1.5 BV 0.193 3.731 0.000 3.941 2.195 0.44 0.47
1.5 LA 0.307 0.151 0.068 0.171 0.209 0.20 0.70
1.5 LM 0.019 0.014 0.030 0.137 0.173 0.06 0.26
1.5 RA 0.359 0.386 0.063 0.628 0.366 0.25 0.53
1.5 RM 0.027 0.000 0.054 0.102 0.148 0.00 0.37
1.5 SM 0.008 0.033 0.021 0.014 0.078 0.34 0.65
3 BV 1.971 3.001 0.000 1.726 1.187 0.43 0.71
3 LA 0.000 0.193 0.215 0.186 0.296 0.29 0.61
3 LM 0.000 0.282 0.338 0.460 0.537 0.23 0.51
3 RA 0.074 0.846 0.137 0.217 0.604 0.59 0.74
3 RM 0.000 0.000 0.149 0.468 0.425 0.00 0.21
3 SM 0.008 0.119 0.083 0.082 0.110 0.37 0.66
a

ICC_BET 5 = between-site ICC.

b

ICC T-R = test-retest ICC.