TABLE 1.

Cox Proportional Hazards Models of Associations of Baseline Covariates with PFS and OS

Variable	Survival type	Hazard ratio	P
Contrast enhancement (yes vs. no)	PFS	1.11	0.83
	OS	1.86	0.23
DIPG status (typical vs. atypical)	PFS	2.75	0.06
	OS	2.36	0.13
11C-methionine PET intensity grade (1 and 2 vs. 3)	PFS	1.62	0.43
	OS	1.64	0.42
11C-methionine PET uniformity grade
Continuous	PFS	1.02	0.23
	OS	1.02	0.20
≤10% vs. >10%	PFS	0.59	0.32
	OS	0.52	0.26