Table 2:

Overview of MRI scanners, sequences in standard brain protocol, and number of patients receiving gadolinium-based contrast media

MRI Scanner	Philips Ingenia	Siemens Symphony	Siemens Avanto
Field strength	3T	1.5T	1.5T
Standard MRI brain protocol	T1 tra, T1 sag, T2 tra, T2 cor, FLAIR tra, DWI tra	T1 tra, T1 sag, T2 tra, T2 cor, FLAIR tra, DWI tra	T1 sag, T2 tra, FLAIR cor, SWI tra, DWI tra
Largest section thickness in any protocol	5 mm	5 mm	5 mm
No. of scans with/without contrast media	790/924		169/389

Note:—Cor indicates coronal; sag, sagittal; tra, transversal.