Table 1:

Baseline characteristics of patients with pontine pHGG (n = 83)

Patient Characteristic	No. (%) or Median (Range)
Sex
Male	43 (52)
Female	40 (48)
Race
White	60 (72)
Black	19 (23)
Other	4 (5)
Age at registration (yr)	6 (0.7–17)
Histone mutation status
H3-3A	50 (60)
H3C2/3	11 (13)
Wild-type	15 (18)
H3 K27–altered, specific gene unknown	7 (8)
Presence of enhancement
Yes	54
No	25
Unknown	4
Median follow-up time of surviving patients (mo)	10.3 (2.3–76.2)