Table 1.

Baseline Patient Characteristics

Patient Characteristic		Frequency	Percent
Sex
	Male	46	51.1
	Female	44	48.9
Age
	<5 years	3	3.3
	5–10	28	31.1
	10–15	32	35.6
	≥15 years	27	30.0
Race
	White	64	71.1
	Black	15	16.7
	Other/unknown	11	12.2
Extent of resection
	Biopsy	19	21.1%
	Partial (10–50%)	11	12.2%
	Subtotal (50–90%)	15	16.7%
	Extensive subtotal (>90%)	12	13.3%
	Gross total resection	27	30.0%
	Unknown	6	6.7%
Pathologic diagnosis (composite)
	Anaplastic astrocytoma	31	34.4
	Glioblastoma multiforme	55	61.1
	Other eligible diagnosis	4	4.4
Primary site
	Cerebral hemisphere	49	54.4
	Basal ganglia–thalamus	25	27.8
	Midbrain, brainstem	2	2.2
	Cerebellar hemisphere	5	5.6
	Spinal cord	9	10.0