Table 3:

Preoperative and postoperative prognostic models for progression-free survival

Parameters	Model 1^{^a}		Model 2^{^a}		Model 3^{^a}		Model 4^{^a}		Model 5^{^a}		Model 6^{^b}
Parameters	HR	P Value	HR	P Value	HR	P Value	HR	P Value	HR	P Value	HR	P Value
Enhancing tumor volume	2.9 (1.4–6.0)	.005	1.9 (0.9–4.0)	.105	2.4 (1.1–5.0)	.023	3.1 (1.5–6.7)	.003	1.8 (0.8–3.9)	.135	1.4 (0.6–3.2)	.423
Age	2.4 (1.2–4.8)	.015	3.1 (1.4–6.6)	.004	2.4 (1.1–4.9)	.020	2.5 (1.2–5.2)	.011	3.4 (1.6–7.6)	.002	2.4 (1.1–4.9)	.020
K^trans_min	2.8 (1.4–5.6)	.004	–		–		3.3 (1.6–6.7)	.001	–		–
K^trans_p5	–		2.9 (1.2–7.2)	.020	–		–		4.0 (1.5–10.4)	.004	–
v_e_kurtosis	–		–		4.4 (1.7–11.3)	.002	5.7 (2.2–15.2)	.000	6.0 (2.2–16.3)	.000	5.3 (2.0–14.0)	.001
MGMT	–		–		–		–		–		3.1 (1.3–7.4)	.012

Note:— – indicates that the model doesn't have the corresponding factor as a covacriate; HR, hazard ratio.
↵a Preoperative models.
↵b Postoperative model.