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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}
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.