Positive Expression of Retinol-Binding Protein 4 Is Related to the Malignant Clinical Features Leading to Poor Prognosis of Glioblastoma

Table 1

The correlations between clinical parameters and RBP4 expression in GBM.

Variables	Patients	RBP4 expression		values
	(n = 73)	Negative (n = 31)	Positive (n = 42)
Age (years)
≤63	38	20	18	0.067
>63	35	11	24
Sex
Female	31	13	18	0.937
Male	42	18	24
Location
Parietal lobe	13	5	8	0.909
Temporal lobe	25	12	13
Frontal lobe	32	13	19
Unknown	3	1	2
Tumor size
≤4.3 cm	38	27	14
>4.3 cm	35	7	28
Surgery
Local resection	39	15	24
Radical resection	16	4	12
Lobectomy	18	12	6
Chemotherapy
No	61	25	36	0.564
Yes	12	6	6

Note. Statistically significant by the chi-square test or Fisher’s exact test.