Table 3.
ΔR 2 *, ΔR 2, and ΔR 2 */ΔR 2 from total, superficial, and parenchyma ROIs
| Magnetic field | Echo type | Total S1FL | Superficial ROIa | Parenchyma ROIa | Super/par ratiob |
|---|---|---|---|---|---|
| 9.4 T | −ΔR 2 * | 1.72 ± 0.13 | 2.38 ± 0.23‡ | 1.41 ± 0.13 | 1.76 ± 0.18 |
| −ΔR 2 | 1.19 ± 0.09 | 1.31 ± 0.13 | 1.13 ± 0.09 | 1.19 ± 0.11 | |
| ΔR 2 * / ΔR 2 | 1.51 ± 0.15 | 1.95 ± 0.27† | 1.32 ± 0.15 | 1.58 ± 0.23 | |
| 15.2 T | −ΔR 2 * | 3.09 ± 0.35 | 4.15 ± 0.44‡ | 2.59 ± 0.34 | 1.73 ± 0.15 |
| −ΔR 2 | 1.97 ± 0.15 | 2.13 ± 0.22 | 1.88 ± 0.14 | 1.13 ± 0.08 | |
| ΔR 2 * /ΔR 2 | 1.62 ± 0.18 | 2.13 ± 0.28‡ | 1.40 ± 0.17 | 1.57 ± 0.15 | |
| 15.2 T/9.4 T | ΔR 2 * | 1.80 | 1.74 | 1.84 | 0.95 |
| ΔR 2 | 1.66 | 1.63 | 1.66 | 0.98 | |
| ΔR 2 * / ΔR 2 | 1.07 | 1.09 | 1.06 | 1.03 |
Unit of ΔR 2 * and ΔR 2 is sec–1.
a
Statistical analyses were performed between superficial and parenchyma ΔR 2 *, ΔR 2, and ΔR 2 * /ΔR 2 with paired t‐test (†P < 0.05; ‡P < 0.01).
b
No field‐dependent statistical significance was found in the superficial‐to‐parenchyma ratio.