Table 2.

Multivariate Cox regression analysis showed that CHI3L1 mRNA level is one of the three analyzed independent variables influencing the survival of the patients

Factor	HR 95 % CI	B	p-value
Astrocytoma grade (WHO)			0.007
Grade III	2.949 (1.213–7.17)	1.082	0.017
Grade IV (GBM)	5.342 (1.814–15.73)	1.676	0.002
CHI3L1 mRNA	1.119 (1.006–1.244)	0.112	0.038
Age	1.033 (1.005–1.061)	0.032	0.022