Table 1:

Scan protocols for all 3 centersa

Center A (n = 58)Center B (n = 28)Center C (n = 7)
VendorGE HealthcarebSiemenscPhilips Healthcared
ScannerSigna HDxtTrio TimAchieva
Head MRI
    SequenceFSPGRMPRAGEFFE
    No. of sections176176180
    TR (ms)7.8160010
    TE (ms)32.134.6
    TI (ms)45010001000
    FA12°9°8°
    Voxel size (mm)0.94 × 0.94 × 11 × 1 × 11 × 1 × 1
Cervical MRI
    SequenceFSPGRMPRAGEFFE
    No. of sections1769664
    TR (ms)7.320008
    TE (ms)33.363.5
    TI (ms)45011001000
    FA15°10°8°
    Voxel size (mm)1 × 1 × 11 × 1 × 11 × 1 × 1

  • Note:—FA indicates flip angle; FFE, fast-field echo; FSPGR, fast spoiled gradient recalled.

  • ↵a All images had a sagittal orientation.

  • ↵b Milwaukee, Wisconsin.

  • ↵c Erlangen, Germany.

  • ↵d Best, the Netherlands.