Table 2.
Results (value± sd (t-value, p-value)) of the modeling of the intersubject variability in fraction anisotropy (FA) and gray matter thickness (GM thickness ) using the base, quadratic age and sex model (eq. 1). Bolded values are significant at p≤1E-4.
| Measurement | Average | βage±sd·10−3 (t; p) |
βage2±sd·10−3 (t;p) | βsex± sd (t;p) | βage,sex±sd·10−3 (t;p) |
Λbase (p) |
|---|---|---|---|---|---|---|
| Whole Brain FA | 0.52±0.31 | 2.0±0.3 (7.2, 1E-8) | −0.03±0.00 (9.3, 1E-11) | −0.5±0.4(0.14, 0.9) | −0.00±0.00 (0.31,0.8) | 2264.4 (1E-16) |
| Early Maturing WM FA | 0.51±0.28 | 1.5±0.3 (9.0; 1E-9) | 0.02±0.00 (10.9, 1E-11) | −0.00±0.00(0, 1.0) | 0.00±0.00 (1.2, 0.22) | 2361.1 (1E-16) |
| Late Maturing WM FA | 0.57±0.38 | 2.4±0.2 (10.0; 1E-9) | −0.04±0.00 (13.6, 1E-16) | 0.3±3.6 (0, 1.0) | −0.00±0.00 (0.31,0.8) | 2253 (1E-16) |
| Whole Brain GM thickness |
2.21±0.17 | 1.1±1.3 (0.9; 0.39) | −.09±0.001 (5.5;1E-8) | 0.09±0.02 (4.2; 1E-5) | −2.5±0.6 (4.9;E-6) | 431.0 (1E-16) |