Table III.
Total volumes (mm3) of significant difference (α = 0.05) in grey matter density variability between FLASH and MP‐RAGE at both field strengths (1.5 and 3 Tesla)
| Field strength | MNI tools | SPM tools | ||||
|---|---|---|---|---|---|---|
| FLASH < MP‐RAGE | MP‐RAGE < FLASH | Total | FLASH < MP‐RAGE | MP‐RAGE < FLASH | Total | |
| Grey matter density | ||||||
| 1.5 Tesla | 50,899 | 554 | 51,453 | 175,722 | 0 | 175,722 |
| 3.0 Tesla | 131,363 | 188,081 | 319,444 | 312,317 | 273,230 | 585,547 |
| Grey matter density variability | ||||||
| 1.5 Tesla | 0 | 3,855 | 3,855 | 1,540 | 573 | 2,113 |
| 3.0 Tesla | 0 | 0 | 0 | 0 | 9,478 | 9,478 |