Table 2:

Preoperative and postoperative prognostic models for overall survival

Parameters	Model 1^{^a}		Model 2^{^a}		Model 3^{^a}		Model 4^{^b}		Model 5^{^b}
Parameters	HR (95% CI)	P Value	HR	P Value	HR	P Value	HR	P Value	HR	P Value
Enhancing tumor volume	1.38 (0.53–3.60)	.509	2.49 (1.11–5.58)	.027	1.09 (0.43–2.78)	.855	0.80 (0.31–2.05)	.643	0.94 (0.38–2.37)	.904
Age	3.47 (1.42–8.49)	.007	2.49 (1.00–6.19)	.049	1.55 (1.25–8.26)	.015	2.91 (1.20–7.04)	.018	2.66 (1.08–6.58)	.034
KPS	2.86 (1.15–7.15)	.024	2.87 (1.13–7.24)	.026	2.54 (1.02–6.33)	.046	1.09 (0.34–3.47)	.888	1.12 (0.35–3.63)	.845
K^trans_p5	2.82 (1.04–7.70)	.043	–		2.93 (1.64–15.74)	.005	–		–
v_e_kurtosis	–		7.57 (1.49–38.51)	.015	21.90 (3.79–145.91)	.001	–		5.65 (1.13–28.37)	.035
K^trans_kurtosis	–		–		–		4.99 (1.05–23.78)	.044	–
MGMT	–		–		–		7.80 (1.96–31.04)	.004	6.82 (1.77–26.31)	.005
EGFR	–		–		–		4.25 (1.44–12.61)	.009	3.65 (1.21–10.95)	.021