| Site 1 | Site 2 | Site 3 | Site 4 | Site 5 | Site 6 | Site 7 |
---|---|---|---|---|---|---|---|
Field of strength (T) | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
Brand | Siemens Skyra | GE Signa HDx | Siemens Trio Tim | Siemens Verio | Siemens Trio Tim | Siemens Trio Tim | Siemens Skyra |
Number of head coil channels | 20 | 8 | 20 | 8 | 12 | 8 | 20 |
Protocol name | EPI | EPI | EPI | EPI | EPI | EPI | EPI |
Repetition time (s) | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Echo time (ms) | 30 | 30 | 25 | 30 | 40 | 30 | 30 |
Flip angle | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
Field of view | 220 × 220 | 220 × 220 | 240 × 240 | 220 × 220 | 256 × 256 | 220 × 220 | 220 × 220 |
Matrix | 64 × 64 | 64 × 64 | 64 × 64 | 64 × 64 | 64 × 64 | 64 × 64 | 64 × 64 |
Slice number /thickness (gap) | 36 / 3 (0.9) | 30 / 3 (1) | 30 / 3 (1) | 36 / 3 (0.99) | 28 / 4 (1) | 32 / 3 (0.99) | 36 / 3 (0.9) |
Scan duration (s) | 480 | 400 | 360 | 360 | 478 | 360 | 480 |