Table 3:

Multivariate Cox model for PFS and OS

Variables	HR	SE	P Value^{^a}	95% CI
Multivariate Cox model for PFS (n = 53)
ASL CBF map reading^{^b}	2.29	0.72	.009	1.23–4.24
Patient age (yr)^{^c}	2.34	0.94	.034	1.06–5.13
Sex^{^d}	1.41	0.44	.266	0.77–2.59
Multivariate Cox model for OS (n = 50)
ASL CBF map reading^{^b}	1.98	0.70	.054	0.99–4.00
Patient age (yr)^{^c}	3.00	1.46	.024	1.16–7.80
Sex^{^d}	1.06	0.36	.870	0.53–2.07

Note:—SE indicates standard error.
↵a P < .05 denotes statistical significance.
↵b By majority vote, CBF map of pattern 1 (n = 30) versus pattern 2 (n = 23).
↵c On initial presentation, older than 50 years (n = 42) versus younger than 50 years (n = 11).
↵d Male (n = 28) versus female (n = 25).