[Retracted] Correlations between Clinical Characteristics and Prognosis in Patients with Grade II Glioma

Table 2

Cox regression model of prognosis in the patients with grade II glioma.

Variable	B	SE	Wald		Exp (B)	95.0% CI applied to Exp (B)		VIF
						Lower limits	Upper limits
Gender	1.703	1.021	2.782	0.096	5.490	0.742	40.616	2.002
Age	1.317	0.948	1.930	0.165	3.732	0.582	23.929	1.677
Astrocytoma	1.327	1.003	1.830	0.176	3.885	0.544	27.710	2.473
SVZ expansion	1.024	0.327	9.806	0.001	2.784	1.467	5.285	1.511
Peritumoral edema	0.277	0.729	0.097	0.755	1.255	0.301	5.237	1.887
Surgical resections	1.669	0.667	6.261	0.012	5.307	1.436	19.615	1.790
Tumor recurrence	1.024	0.336	9.288	0.002	2.784	1.441	5.379	0.715

SVZ, subventricular zone; B, regression coefficient; SE, standard error; Wald, statistics; Exp (B), risk coefficient; 95.0% CI, 95.0% confidence interval; VIF, variance inflation factor.