Table 1.

Patient characteristics^*

Characteristic	Penicillamine Group (N = 40)	NABTT Reference Group (N = 179)	P
Sex (male)	25 (63%)	119 (66%)	0.63
Race (white)	38 (95%)	171 (96%)	0.88
Age (years)	53.8 (9.4)	56.2 (10.9)	0.19
Karnofsky performance status	88.0 (8.8)	86.7 (11.2)†	0.49
Extent of surgery (biopsy)	7 (18%)	32 (18.1%)†	1.0

^*Baseline demographics values are expressed either as the mean (SD) or N (%) from the NABTT database of 179 patients for studies evaluating biological therapies in newly diagnosed glioblastoma with microscopic or macroscopic disease.

^†N = 178 for Karnofsky performance status, and n = 177 for extent of surgery because of incomplete data.