Table 1.

Clinical and demographic characteristics of the patient population included in this study

Clinical/Demographic Characteristics		Patients, n	Patients, %
Totals		139	100
Sex	Female	56	40.3
Race	White	112	80.6
	American Indian	1	0.7
	Asian	6	4.3
	Pacific Islander	2	1.4
	Other	18	12.9
Clinical diagnosis	Grade III astrocytoma	11	7.2
	Grade III oligodendroglioma	15	10.8
	Grade IV glioblastoma	87	62.6
	Grade IV gliosarcoma	3	2.2
	Treatment effect	23	16.5
Age at recurrent surgery	Median, range	53	21–84