Table 1. Patient and Tumor Characteristics.

Patient and tumor characteristics among 52 patients receiving protocol treatment. WHO grades are per central review. Simpson resection grades are per enrolling institution.

	Group II
	n	%
Age (years)
<50	20	38.5
≥ 50	32	61.5
Gender
Male	20	38.5
Female	32	61.5
Race
American Indian/Alaska Native	1	1.9
Asian	1	1.9
Black or African American	4	7.7
Native Hawaiian or Other Pacific Islander	0	0.0
White	44	84.6
Unknown or not reported	2	3.8
Ethnicity
Hispanic or Latino	4	7.7
Not Hispanic or Latino	45	86.5
Unknown (Individuals not reporting ethnicity)	3	5.8
Pre-treatment Zubrod performance status
0	39	75.0
1	13	25.0
Pre-treatment Neurologic Function
No symptoms	27	51.9
Minor symptoms	21	40.4
Moderate symptoms	4	7.7
Status of Tumor
Initial diagnosis	36	69.2
Recurrent	16	30.8
Extent of Resection (Simpson Grade)
Initial - Grade I	7	13.5
Initial - Grade II	17	32.7
Initial - Grade III	8	15.4
Initial - Grade IV	2	3.8
Initial - unknown	2	3.8
Recurrent - Grade I	0	0.0
Recurrent - Grade II	0	0.0
Recurrent - Grade III	0	0.0
Recurrent - Grade IV	3	5.8
Recurrent - by imaging only	13	25.0
Histology
Initial - WHO grade I	2	3.8
Initial - WHO grade II	32	61.5
Initial - WHO grade III	1	1.9
Initial - unknown	1	1.9
Recurrent - WHO grade I	2	3.8
Recurrent - WHO grade II	1	1.9
Recurrent - WHO grade III	0	0.0
Recurrent - by imaging only	13	25.0
Lateralization of Tumor
Right	20	38.5
Left	25	48.1
Bilateral	7	13.5
Unknown	0	0.0
Total	52	100.0