Table 1.
Descriptive statistics for threshold volumes for each tissue type.
| Tissue type | Scan1 mean (sd) | Scan2 mean (sd) | Threshold | Scan1 mean (sd) | Scan2 mean (sd) |
|---|---|---|---|---|---|
| SPM | FSL | ||||
| GM | 983.59 (100.05) | 984.14 (96.86) | 829.25 (72.81) | 826.21 (72.71) | |
| WM | 595.54 (62.17) | 595.81 (58.37) | Threshold 0 | 575.63 (59.10) | 575.77 (58.68) |
| CSF | 769.16 (146.98) | 775.11 (132.12) | 462.19 (35.79) | 465.09 (37.19) | |
| GM | 711.57 (66.21) | 711.35 (66.42) | 566.94 (53.67) | 561.90 (54.64) | |
| WM | 456.28 (49.72) | 454.90 (47.28) | Threshold 0.5 | 507.95 (55.74) | 507.84 (56.06) |
| CSF | 274.60 (73.02) | 276.50 (74.33) | 270.41 (23.73) | 274.76 (27.71) | |
| GM | 626 (55.82) | 624.55 (58.16) | 327.50 (34.42) | 323.32 (35.05) | |
| WM | 424.56 (47.42) | 423.19 (45.01) | Threshold 0.8 | 384.54 (46.90) | 384.19 (47.24) |
| CSF | 190.26 (60.58) | 190.65 (61.06) | 174.55 (17.03) | 176.77 (22.12) | |
| GM | 507.99 (45.13) | 504.54 (49.10) | 312.36 (32.23) | 308.38 (33.12) | |
| WM | 384.89 (44.51) | 383.54 (42.23) | Threshold 0.95 | 358.95 (42.93) | 358.88 (43.03) |
| CSF | 116.50 (43.70) | 115.72 (43.24) | 161.87 (17.17) | 164.24 (22.63) | |