. Author manuscript; available in PMC: 2009 Mar 20.

Published in final edited form as: J Neurooncol. 2008 Jan 30;88(1):43–50. doi: 10.1007/s11060-008-9530-8

Table 4.

Cox bivariable regression models for overall survival.

Outcome and covariates	HR	95% CI	P
Overall survival
Concurrent/adjuvant TMZ vs. adjuvant TMZ	0.508	0.24-1.1	0.0839
RPA class	1.994	1.28-3.11	0.0024

Progression-free survival
Concurrent/adjuvant TMZ vs. adjuvant TMZ	0.679	0.34-1.4	0.2774
RPA class	1.788	1.23-2.59	0.0021