Table 3.
Centre number | Right/left ratio | Anterior/posterior ratio | Putamen/WM ratio | Caudate/WM ratio | GM/WM ratio | |||||
---|---|---|---|---|---|---|---|---|---|---|
RP | OP | RP | OP | RP | OP | RP | OP | RP | OP | |
1 | 1.01 | 1.00 | 1.00 | 1.01 | 2.39 | 2.49 | 1.68 | 1.95 | 2.92 | 2.98 |
2 | 1.00 | 1.00 | 1.01 | 1.01 | 2.50 | 2.53 | 1.84 | 2.00 | 2.98 | 3.02 |
3 | 1.01 | 1.01 | 1.00 | 1.00 | 2.37 | 2.42 | 1.73 | 1.85 | 2.84 | 2.92 |
4 | 1.01 | 1.01 | 1.01 | 1.01 | 2.57 | 2.57 | 1.92 | 1.94 | 3.09 | 3.09 |
5 | 0.99 | 0.99 | 1.02 | 1.02 | 2.50 | 2.45 | 1.89 | 1.93 | 3.01 | 2.91 |
6 | 1.02 | 1.02 | 1.03 | 1.03 | 2.48 | 2.52 | 1.91 | 2.06 | 2.96 | 2.98 |
7 | 1.00 | 1.00 | 1.05 | 1.01 | 2.37 | 2.56 | 1.71 | 2.03 | 2.85 | 2.98 |
8 | 1.02 | 1.02 | 1.04 | 1.05 | 2.24 | 2.25 | 1.57 | 1.61 | 2.73 | 2.70 |
9 | 1.01 | 1.01 | 1.01 | 1.01 | 2.66 | 2.77 | 1.78 | 2.20 | 3.40 | 3.32 |
10 | 1.03 | 1.03 | 1.00 | 1.00 | 2.65 | 2.72 | 1.86 | 2.08 | 3.33 | 3.37 |
11 | 1.03 | 1.03 | 0.98 | 0.97 | 2.33 | 2.64 | 1.57 | 2.11 | 2.83 | 3.18 |
12 | 1.01 | 1.01 | 1.03 | 1.03 | 2.32 | 2.32 | 1.74 | 1.74 | 2.69 | 2.69 |
13 | 1.00 | 1.00 | 1.05 | 1.04 | 2.96 | 2.62 | 2.48 | 2.05 | 3.75 | 3.09 |
14 | 1.01 | 1.00 | 1.05 | 0.99 | 2.15 | 2.37 | 1.75 | 1.81 | 2.34 | 2.82 |
15 | 1.00 | 1.00 | 1.01 | 1.01 | 2.42 | 2.51 | 1.83 | 2.05 | 2.79 | 2.84 |
16 | 0.99 | 1.00 | 1.02 | 1.03 | 3.06 | 2.78 | 2.60 | 2.19 | 3.77 | 3.28 |
17 | 1.00 | 1.00 | 1.01 | 1.02 | 2.57 | 2.62 | 1.89 | 2.08 | 3.06 | 3.06 |
18 | 1.00 | 1.00 | 1.05 | 1.05 | 2.52 | 2.50 | 2.00 | 2.03 | 2.99 | 2.94 |
19 | 0.99 | 0.99 | 1.01 | 1.02 | 2.46 | 2.64 | 1.68 | 2.02 | 3.00 | 3.18 |
20 | 1.00 | 1.00 | 1.01 | 1.01 | 2.48 | 2.50 | 1.89 | 1.93 | 2.93 | 2.95 |
21 | 1.00 | 1.00 | 1.02 | 1.02 | 2.58 | 2.51 | 1.95 | 1.93 | 3.06 | 2.93 |
22 | 1.03 | 1.02 | 1.00 | 1.01 | 2.57 | 2.67 | 1.82 | 2.04 | 3.23 | 3.28 |
Mean | 1.01 | 1.01 | 1.02 | 1.02 | 2.51 | 2.54*,** | 1.87 | 1.98*,** | 3.03 | 3.02 |
S.D. | 0.01 | 0.01 | 0.02 | 0.02 | 0.20 | 0.13*** | 0.24 | 0.14*** | 0.32 | 0.18*** |
RP routine parameters, OP optimized parameters, WM white matter, GM grey matter
*Wilcoxon signed rank test, p < 0.05 for all centres; **Wilcoxon signed rank test, p < 0.05 for 18 centres; ***Pitman test, p < 0.05