Table 3.

Cox multivariate analysis

Parameter	Risk ratio	95% confidence interval	P
Age	0.89	0.58–1.65	0.71
Gender	1.02	0.66–1.83	0.33
WHO grade	6.97	2.12–12.46	0.008
KPS	1.99	1.28–2.95	0.06
Extent of resection	1.29	0.89–2.13	0.11
Type of adjuvant treatment	1.37	1.02–2.24	0.11
CCL20 expression	4.66	2.31–10.29	0.01