Table 2.
Comparison of volumes between methods
| Manual | FSL-FIRST | FreeSurfer | |||
|---|---|---|---|---|---|
| Volume (SD) | Volume (SD) | % volume diff. (SD) | Volume (SD) | % volume diff. (SD) | |
| L-hippocampus | 2746,29 (347,73) | 3475,44 (378,37) | 27.61 (14.49) | 4378,05 (445,69) | 60.38 (13.04) |
| R-hippocampus | 2786,92 (337,88) | 3553,06 (372,55) | 28.39 (13.07) | 4194,63 (390,10) | 51.53 (13.17) |
| L-amygdala | 777,27 (134,99) | 1144,02 (163,19) | 50.32 (27.65) | 1532,65 (171,49) | 100.29 (24.56) |
| R-amygdala | 832,92 (137,71) | 1148,97 (194,78) | 40.29 (26.09) | 1586,05 (170,55) | 93.56 (25.78) |
Description of mean volumes derived from each technique as well as mean percentage of volume difference (% volume diff.) obtained between FreeSurfer/FSL-FIRST and manual segmentation. L — left. R — right. SD— standard deviation.