Table 1.

Demographic and Clinical Characteristics of the Sample (N = 164)

	n	(%)
Gender
Male	104	63.4
Female	60	36.6
Race
White	129	78.7
Black	12	7.3
Asian	9	5.5
Pacific Islander	1	0.6
Multi-racial	13	7.9
Extent of Surgical Resection a
STR	13	7.9
NTR	19	11.6
GTR	132	80.5
PFS b
No	118	72.0
Yes	44	26.8
Unknownc	2	1.2
	Mean ± SD	Range
Age at Diagnosis	10.38 ± 5.09	3.17 – 31.33
Number of Resections d	1.18 ± 0.46	1 – 4
Days from resection until resolution of mutism	36.09 ± 40.51	3 – 244

^aSTR subtotal resection, incomplete tumor resection with gross residual disease present on neuroimaging, NTR near total resection, incomplete tumor resection with minimal residual disease present on post-operative neuroimaging, GTR gross total resection, resection of tumor without apparent gross residual disease observed by the operating neurosurgeon and confirmed on operative neuroimaging

^bPFS osterior fossa syndrome

^cUnknown classified as neither “yes” or “no” PFS diagnosis by post-surgical attending physician; participants were excluded from primary analyses

^dThe distribution for number of resections included: 1 resection (n=138), 2 resections (n=23), 3 resections (n=2), 4 resections (n=1)