Table 3. Multivariate analysis of adjusting putative prognostic factors for NLR in Grade IV glioma (n=170^a).

Factors	OS
	HR (95%CI)	P-value
NLR	2.228 (1.329–3.733)	0.002
Extent of resection	2.815 (1.952–4.059)	<0.001
RT (Yes or No)	1.213 (0.772–1.907)	0.402
CHT (Yes or No)	1.339 (0.871–2.061)	0.184
Age (≤62 or >62)	1.587(1.103–2.284)	0.013

^a18 cases were excluded due to conditions that could influence hematological makers

OS: overall survival

RT: radiation therapy, indicating postoperative radiation therapy after first operation

CHT: chemotherapy, indicating postoperative chemotherapy after first operation

HR: Hazard-ratio