Table 3. Univariate and multivariate Cox analysis in CGGA lower grade glioma samples.

Clinical factors	Univariate				Multivariate
	HR	95%CL		P	HR	95%CL		P
		Lower	Upper			Lower	Upper
Histology	0.564	0.316	1.006	0.05	0.581	0.169	1.997	0.388
Grade	4.309	2.419	7.676	<0.0001	2.262	0.751	6.81	0.147
Risk score	4.872	2.419	9.812	<0.0001	2.606	1.690	4.018	<0.0001
Preoperative KPS	0.319	0.107	0.952	0.041	0.700	0.200	2.451	0.577

Histology: astrocytoma vs oligodendroglioma and oligoastrocytoma; Grade: grade 2 vs grade 3; KPS: karnofsky performance score.

Risk score: high-risk vs low-risk.