Table 1.
WND-CHRM-derived mean and error of SE, SP and accuracy of the separability test. The measurements listed represent the weighting at which the highest classification accuracy was achieved, representing the highest degree of separation between the classes.
| MR Measurement | SE | SP | Accuracy |
|---|---|---|---|
| T1W (TI = 982 ms) | 0.94 ± 0.01 | 0.94 ± 0.01 | 0.94 ± 0.00 |
| T2W (TE = 72 ms) | 0.85 ± 0.02 | 0.85 ± 0.02 | 0.85 ± 0.01 |
| T2 (ms) | 0.78 ± 0.02 | 0.78 ± 0.02 | 0.78 ± 0.01 |
| T2*W (TE = 1.44 ms) | 0.94 ± 0.02 | 1.0 ± 0.01 | 0.97 ± 0.01 |
| DWI (b = 999 s/mm2) | 0.78 ± 0.02 | 0.83 ± 0.02 | 0.81 ± 0.01 |
| MTW (Tsat = 200 ms) | 0.94 ± 0.01 | 0.89 ± 0.02 | 0.92 ± 0.01 |
| OAI weightings | |||
|---|---|---|---|
| T1W (TR = 7.57 ms) | 0.83 ± 0.02 | 0.94 ± 0.02 | 0.89 ± 0.01 |
| T2W (TE = 10 ms) | 0.63 ± 0.02 | 1.0 ± 0.00 | 0.82 ± 0.01 |
| T2W (TE = 20 ms) | 0.78 ± 0.02 | 1.0 ± 0.00 | 0.89 ± 0.01 |
| T2W (TE = 30 ms) | 0.83 ± 0.02 | 0.89 ± 0.01 | 0.86 ± 0.01 |
| T2W (TE = 40 ms) | 0.78 ± 0.02 | 0.94 ± 0.02 | 0.86 ± 0.01 |
| T2W (TE = 50 ms) | 0.78 ± 0.02 | 0.94 ± 0.01 | 0.86 ± 0.01 |
| T2W (TE = 60 ms) | 0.89 ± 0.02 | 0.78 ± 0.02 | 0.83 ± 0.01 |
| T2W (TE = 70 ms) | 0.83 ± 0.02 | 0.83 ± 0.02 | 0.83 ± 0.01 |