Table 3.
Repeated measures analysis results for white matter by threshold.
| Threshold | Effect | β (SE) | t(df) | p-value | 95% CI for β |
|---|---|---|---|---|---|
| WHITE MATTER (WM) | |||||
| 0 | Intercept | 575.60 (12.89) | 44.65 (21.4) | <0.0001 | (548.81, 602.38) |
| Method (FSL = ref) | 19.97 (3.34) | 5.98 (61) | <0.0001 | (13.30, 26.65) | |
| Scan (Scan1 = ref) | 0.21 (3.33) | 0.06 (61) | 0.95 | (−6.47, 6.88) | |
| 0.5 | Intercept | 508.27 (11.36) | 44.71 (20.7) | <0.0001 | (484.61, 531.93) |
| Method (FSL = ref) | −52.31 (2.14) | −24.44 (61) | <0.0001 | (−56.58, −48.03) | |
| Scan (Scan1 = ref) | −0.74 (2.14) | −0.35 (61) | 0.73 | (-5.02, 3.54) | |
| 0.8 | Intercept | 384.80 (10.13) | 37.99 (20.8) | <0.0001 | (363.73, 405.88) |
| Method (FSL = ref) | 39.50 (1.99) | 19.77 (61) | <0.0001 | (35.51,43.50) | |
| Scan (Scan1 = ref) | −0.87 (1.99) | −0.43 (61) | 0.67 | (−4.86, 3.13) | |
| 0.95 | Intercept | 359.27 (9.38) | 38.30 (20.7) | <0.0001 | (339.74, 378.79) |
| Method (FSL = ref) | 25.30 (1.75) | 14.43 (61) | <0.0001 | (21.80, 28.81) | |
| Scan (Scan1 = ref) | −0.71 (1.75) | −0.40 (61) | 0.69 | (−4.21, 2.80) | |
β coefficient for the method represents the difference in mean estimates between SPM and FSL when scan is fixed.; β0 from the model equation corresponds to intercept row, β1 corresponds to method row, β2 corresponds to scan row.