Table 1:

Summary of patient demographics and the most commonly varying MR parameters across our cohort curated from 5 different sites (S1–S5)

Imaging Source Site	S1, MD Anderson Cancer Center, Houston, Texas	S2, Ivy Glioblastoma Atlas Project	S3, Henry Ford Hospital, Detroit, Michigan	S4, University of California, San Francisco, California	S5, Cleveland Clinic, Ohio
No. of cases	17	33	28	15	57
Magnetic field strength
1.5T	11	9	16	14	48
3T	6	24	12	1	9
Sex
Female	7	17	5	6	23
Male	10	16	23	9	34
Scanner
GE Healthcare	17	30	28	15	57
Siemens	0	3	0	0	0
Slice thickness (range) (mm)	6.5	0.9–6.5	1–6	1.5–6	0.9–7.5
Pixel spacing (range) (mm)	0.47–0.86	0.43–1.05	0.43–0.94	0.45–1.02	0.23–1